401550210444240 has 240 divisors, whose sum is σ = 1584298103431680. Its totient is φ = 89857389726720.

The previous prime is 401550210444233. The next prime is 401550210444247. The reversal of 401550210444240 is 42444012055104.

401550210444240 is a `hidden beast` number, since 4 + 0 + 1 + 5 + 502 + 104 + 4 + 4 + 2 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (401550210444233) and next prime (401550210444247).

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×401550210444240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 401550210444195 and 401550210444204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401550210444247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1949927200 + ... + 1950133119.

It is an arithmetic number, because the mean of its divisors is an integer number (6601242097632).

Almost surely, 2^{401550210444240} is an apocalyptic number.

401550210444240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401550210444240 is an abundant number, since it is smaller than the sum of its proper divisors (1182747892987440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401550210444240 is a wasteful number, since it uses less digits than its factorization.

401550210444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900060362 (or 3900060353 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 401550210444240 its reverse (42444012055104), we get a palindrome (443994222499344).

The spelling of 401550210444240 in words is "four hundred one trillion, five hundred fifty billion, two hundred ten million, four hundred forty-four thousand, two hundred forty".