404045540512240 has 160 divisors (see below), whose sum is σ = 1046635927013376. Its totient is φ = 143796122234880.

The previous prime is 404045540512231. The next prime is 404045540512241. The reversal of 404045540512240 is 42215045540404.

It is a super-3 number, since 3×404045540512240³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 404045540512193 and 404045540512202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404045540512241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241332349 + ... + 2241512611.

Almost surely, 2^{404045540512240} is an apocalyptic number.

404045540512240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404045540512240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523317963506688).

404045540512240 is an abundant number, since it is smaller than the sum of its proper divisors (642590386501136).

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

404045540512240 is a wasteful number, since it uses less digits than its factorization.

404045540512240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234527 (or 234521 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

The spelling of 404045540512240 in words is "four hundred four trillion, forty-five billion, five hundred forty million, five hundred twelve thousand, two hundred forty".