10404034020520 has 64 divisors (see below), whose sum is σ = 27916414283520. Its totient is φ = 3412006185984.

The previous prime is 10404034020511. The next prime is 10404034020539. The reversal of 10404034020520 is 2502043040401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807760177 + ... + 807773056.

It is an arithmetic number, because the mean of its divisors is an integer number (436193973180).

Almost surely, 2^{10404034020520} is an apocalyptic number.

10404034020520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10404034020520 is an abundant number, since it is smaller than the sum of its proper divisors (17512380263000).

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

10404034020520 is a wasteful number, since it uses less digits than its factorization.

10404034020520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615533274 (or 1615533270 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 10404034020520 its reverse (2502043040401), we get a palindrome (12906077060921).

The spelling of 10404034020520 in words is "ten trillion, four hundred four billion, thirty-four million, twenty thousand, five hundred twenty".