10510030640 has 20 divisors (see below), whose sum is σ = 24435821424. Its totient is φ = 4204012224.

The previous prime is 10510030613. The next prime is 10510030681. The reversal of 10510030640 is 4603001501.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×10510030640² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65687612 + ... + 65687771.

Almost surely, 2^10510030640 is an apocalyptic number.

10510030640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10510030640 is an abundant number, since it is smaller than the sum of its proper divisors (13925790784).

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

10510030640 is a wasteful number, since it uses less digits than its factorization.

10510030640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131375396 (or 131375390 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 10510030640 in words is "ten billion, five hundred ten million, thirty thousand, six hundred forty".