43890746372 has 24 divisors (see below), whose sum is σ = 84852082560. Its totient is φ = 19697801760.

The previous prime is 43890746371. The next prime is 43890746407. The reversal of 43890746372 is 27364709834.

It is not an unprimeable number, because it can be changed into a prime (43890746371) by changing a digit.

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, 6309923 + ... + 6316874.

It is an arithmetic number, because the mean of its divisors is an integer number (3535503440).

Almost surely, 2^43890746372 is an apocalyptic number.

It is an amenable number.

43890746372 is a deficient number, since it is larger than the sum of its proper divisors (40961336188).

43890746372 is a wasteful number, since it uses less digits than its factorization.

43890746372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626891 (or 12626889 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 43890746372 in words is "forty-three billion, eight hundred ninety million, seven hundred forty-six thousand, three hundred seventy-two".