401503523060040 has 64 divisors (see below), whose sum is σ = 1204515283829760. Its totient is φ = 107067187069440.

The previous prime is 401503523059981. The next prime is 401503523060041. The reversal of 401503523060040 is 40060325305104.

It is a super-2 number, since 2×401503523060040² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401503523059983 and 401503523060010.

It is not an unprimeable number, because it can be changed into a prime (401503523060041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24862732 + ... + 37698308.

It is an arithmetic number, because the mean of its divisors is an integer number (18820551309840).

Almost surely, 2^{401503523060040} is an apocalyptic number.

401503523060040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401503523060040 is an abundant number, since it is smaller than the sum of its proper divisors (803011760769720).

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

401503523060040 is a wasteful number, since it uses less digits than its factorization.

401503523060040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096262 (or 13096258 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 401503523060040 its reverse (40060325305104), we get a palindrome (441563848365144).

The spelling of 401503523060040 in words is "four hundred one trillion, five hundred three billion, five hundred twenty-three million, sixty thousand, forty".