10012530440 has 32 divisors (see below), whose sum is σ = 24576212160. Its totient is φ = 3640920000.

The previous prime is 10012530431. The next prime is 10012530467. The reversal of 10012530440 is 4403521001.

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 7 ways as a sum of consecutive naturals, for example, 11377436 + ... + 11378315.

It is an arithmetic number, because the mean of its divisors is an integer number (768006630).

Almost surely, 2^10012530440 is an apocalyptic number.

10012530440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012530440 is an abundant number, since it is smaller than the sum of its proper divisors (14563681720).

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

10012530440 is a wasteful number, since it uses less digits than its factorization.

10012530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22755773 (or 22755769 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 10012530440 in words is "ten billion, twelve million, five hundred thirty thousand, four hundred forty".