46747690640 has 80 divisors (see below), whose sum is σ = 124260713472. Its totient is φ = 16021919232.

The previous prime is 46747690621. The next prime is 46747690643. The reversal of 46747690640 is 4609674764.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (46747690643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686977 + ... + 1714463.

Almost surely, 2^46747690640 is an apocalyptic number.

46747690640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46747690640 is an abundant number, since it is smaller than the sum of its proper divisors (77513022832).

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

46747690640 is a wasteful number, since it uses less digits than its factorization.

46747690640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30544 (or 30538 counting only the distinct ones).

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

The spelling of 46747690640 in words is "forty-six billion, seven hundred forty-seven million, six hundred ninety thousand, six hundred forty".