64628462255 has 32 divisors (see below), whose sum is σ = 93439180800. Its totient is φ = 41974565760.

The previous prime is 64628462219. The next prime is 64628462263. The reversal of 64628462255 is 55226482646.

It is not a de Polignac number, because 64628462255 - 2¹² = 64628458159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582680 + ... + 684669.

It is an arithmetic number, because the mean of its divisors is an integer number (2919974400).

Almost surely, 2^64628462255 is an apocalyptic number.

64628462255 is a deficient number, since it is larger than the sum of its proper divisors (28810718545).

64628462255 is a wasteful number, since it uses less digits than its factorization.

64628462255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267439.

The product of its digits is 5529600, while the sum is 50.

The spelling of 64628462255 in words is "sixty-four billion, six hundred twenty-eight million, four hundred sixty-two thousand, two hundred fifty-five".