3640629056718 has 16 divisors (see below), whose sum is σ = 7290041305680. Its totient is φ = 1212079153536.

The previous prime is 3640629056663. The next prime is 3640629056809. The reversal of 3640629056718 is 8176509260463.

It is a congruent number.

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, 365960955 + ... + 365970902.

It is an arithmetic number, because the mean of its divisors is an integer number (455627581605).

It is a 1-persistent number, because it is pandigital, but 2⋅3640629056718 = 7281258113436 is not.

Almost surely, 2^{3640629056718} is an apocalyptic number.

3640629056718 is an abundant number, since it is smaller than the sum of its proper divisors (3649412248962).

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

3640629056718 is a wasteful number, since it uses less digits than its factorization.

3640629056718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731932691.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 3640629056718 in words is "three trillion, six hundred forty billion, six hundred twenty-nine million, fifty-six thousand, seven hundred eighteen".