28462620064 has 48 divisors (see below), whose sum is σ = 56360593800. Its totient is φ = 14149058560.

The previous prime is 28462619987. The next prime is 28462620091. The reversal of 28462620064 is 46002626482.

It can be written as a sum of positive squares in 4 ways, for example, as 28187723664 + 274896400 = 167892^2 + 16580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28462619999 and 28462620026.

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, 4206444 + ... + 4213204.

Almost surely, 2^28462620064 is an apocalyptic number.

It is an amenable number.

28462620064 is a deficient number, since it is larger than the sum of its proper divisors (27897973736).

28462620064 is a wasteful number, since it uses less digits than its factorization.

28462620064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513 (or 7505 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 28462620064 in words is "twenty-eight billion, four hundred sixty-two million, six hundred twenty thousand, sixty-four".