12402700640 has 48 divisors (see below), whose sum is σ = 31965146640. Its totient is φ = 4510072320.

The previous prime is 12402700631. The next prime is 12402700663. The reversal of 12402700640 is 4600720421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521735 + ... + 3525254.

It is an arithmetic number, because the mean of its divisors is an integer number (665940555).

Almost surely, 2^12402700640 is an apocalyptic number.

12402700640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402700640 is an abundant number, since it is smaller than the sum of its proper divisors (19562446000).

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

12402700640 is a wasteful number, since it uses less digits than its factorization.

12402700640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047015 (or 7047007 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 12402700640 in words is "twelve billion, four hundred two million, seven hundred thousand, six hundred forty".