64406360 has 32 divisors (see below), whose sum is σ = 145171440. Its totient is φ = 25716864.

The previous prime is 64406359. The next prime is 64406369. The reversal of 64406360 is 6360446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64406369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29879 + ... + 31961.

Almost surely, 2^64406360 is an apocalyptic number.

It is an amenable number.

64406360 is an abundant number, since it is smaller than the sum of its proper divisors (80765080).

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

64406360 is a wasteful number, since it uses less digits than its factorization.

64406360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 64406360 is about 8025.3573129176. The cubic root of 64406360 is about 400.8447978687.

The spelling of 64406360 in words is "sixty-four million, four hundred six thousand, three hundred sixty".