10604394040 has 64 divisors (see below), whose sum is σ = 24745888800. Its totient is φ = 4084996608.

The previous prime is 10604394029. The next prime is 10604394043. The reversal of 10604394040 is 4049340601.

It is a super-2 number, since 2×10604394040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10604393993 and 10604394011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10604394043) 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, 449007 + ... + 472033.

Almost surely, 2^10604394040 is an apocalyptic number.

10604394040 is a gapful number since it is divisible by the number (10) 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 10604394040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12372944400).

10604394040 is an abundant number, since it is smaller than the sum of its proper divisors (14141494760).

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

10604394040 is a wasteful number, since it uses less digits than its factorization.

10604394040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23464 (or 23460 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 10604394040 in words is "ten billion, six hundred four million, three hundred ninety-four thousand, forty".