64018460 has 24 divisors (see below), whose sum is σ = 146660976. Its totient is φ = 23279360.

The previous prime is 64018411. The next prime is 64018531. The reversal of 64018460 is 6481046.

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, 145277 + ... + 145716.

It is an arithmetic number, because the mean of its divisors is an integer number (6110874).

Almost surely, 2^64018460 is an apocalyptic number.

It is an amenable number.

64018460 is an abundant number, since it is smaller than the sum of its proper divisors (82642516).

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

64018460 is a wasteful number, since it uses less digits than its factorization.

64018460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291013 (or 291011 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 64018460 is about 8001.1536668158. The cubic root of 64018460 is about 400.0384546363.

The spelling of 64018460 in words is "sixty-four million, eighteen thousand, four hundred sixty".