64475282004 has 48 divisors (see below), whose sum is σ = 171964926336. Its totient is φ = 18418204800.

The previous prime is 64475281961. The next prime is 64475282087. The reversal of 64475282004 is 40028257446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423034 + ... + 554894.

It is an arithmetic number, because the mean of its divisors is an integer number (3582602632).

Almost surely, 2^64475282004 is an apocalyptic number.

It is an amenable number.

64475282004 is an abundant number, since it is smaller than the sum of its proper divisors (107489644332).

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

64475282004 is a wasteful number, since it uses less digits than its factorization.

64475282004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137696 (or 137694 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 64475282004 in words is "sixty-four billion, four hundred seventy-five million, two hundred eighty-two thousand, four".