64260416 has 56 divisors (see below), whose sum is σ = 142926816. Its totient is φ = 28408320.

The previous prime is 64260401. The next prime is 64260439. The reversal of 64260416 is 61406246.

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, 24815 + ... + 27281.

Almost surely, 2^64260416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64260416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71463408).

64260416 is an abundant number, since it is smaller than the sum of its proper divisors (78666400).

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

64260416 is a wasteful number, since it uses less digits than its factorization.

64260416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64260416 is about 8016.2594768383. The cubic root of 64260416 is about 400.5417991362.

The spelling of 64260416 in words is "sixty-four million, two hundred sixty thousand, four hundred sixteen".