6318751325640 has 64 divisors (see below), whose sum is σ = 20414427364800. Its totient is φ = 1555384941312.

The previous prime is 6318751325597. The next prime is 6318751325641. The reversal of 6318751325640 is 465231578136.

It is not an unprimeable number, because it can be changed into a prime (6318751325641) 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, 2025239250 + ... + 2025242369.

It is an arithmetic number, because the mean of its divisors is an integer number (318975427575).

Almost surely, 2^{6318751325640} is an apocalyptic number.

6318751325640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6318751325640 is an abundant number, since it is smaller than the sum of its proper divisors (14095676039160).

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

6318751325640 is a wasteful number, since it uses less digits than its factorization.

6318751325640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050481646 (or 4050481642 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 6318751325640 in words is "six trillion, three hundred eighteen billion, seven hundred fifty-one million, three hundred twenty-five thousand, six hundred forty".