5031626640 has 40 divisors (see below), whose sum is σ = 15598043328. Its totient is φ = 1341767040.

The previous prime is 5031626627. The next prime is 5031626653. The reversal of 5031626640 is 466261305.

It is an interprime number because it is at equal distance from previous prime (5031626627) and next prime (5031626653).

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

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, 10482316 + ... + 10482795.

Almost surely, 2^5031626640 is an apocalyptic number.

It is an amenable number.

5031626640 is an abundant number, since it is smaller than the sum of its proper divisors (10566416688).

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

5031626640 is a wasteful number, since it uses less digits than its factorization.

5031626640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20965127 (or 20965121 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 5031626640 is about 70933.9597090138. The cubic root of 5031626640 is about 1713.5737577724.

Adding to 5031626640 its reverse (466261305), we get a palindrome (5497887945).

The spelling of 5031626640 in words is "five billion, thirty-one million, six hundred twenty-six thousand, six hundred forty".