10390990428 has 72 divisors (see below), whose sum is σ = 32327535968. Its totient is φ = 2740480128.

The previous prime is 10390990411. The next prime is 10390990433. The reversal of 10390990428 is 82409909301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1582651 + ... + 1589202.

Almost surely, 2^10390990428 is an apocalyptic number.

10390990428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10390990428 is an abundant number, since it is smaller than the sum of its proper divisors (21936545540).

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

10390990428 is a wasteful number, since it uses less digits than its factorization.

10390990428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171883 (or 3171878 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 10390990428 in words is "ten billion, three hundred ninety million, nine hundred ninety thousand, four hundred twenty-eight".