10501918320 has 40 divisors (see below), whose sum is σ = 32555947536. Its totient is φ = 2800511488.

The previous prime is 10501918319. The next prime is 10501918331. The reversal of 10501918320 is 2381910501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10501918320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21878757 + ... + 21879236.

Almost surely, 2^10501918320 is an apocalyptic number.

10501918320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10501918320 is an abundant number, since it is smaller than the sum of its proper divisors (22054029216).

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

10501918320 is a wasteful number, since it uses less digits than its factorization.

10501918320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43758009 (or 43758003 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 10501918320 in words is "ten billion, five hundred one million, nine hundred eighteen thousand, three hundred twenty".