64480401460 has 96 divisors (see below), whose sum is σ = 145997913600. Its totient is φ = 23842304640.

The previous prime is 64480401439. The next prime is 64480401473. The reversal of 64480401460 is 6410408446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29590651 + ... + 29592829.

It is an arithmetic number, because the mean of its divisors is an integer number (1520811600).

Almost surely, 2^64480401460 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 64480401460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72998956800).

64480401460 is an abundant number, since it is smaller than the sum of its proper divisors (81517512140).

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

64480401460 is a wasteful number, since it uses less digits than its factorization.

64480401460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 64480401460 in words is "sixty-four billion, four hundred eighty million, four hundred one thousand, four hundred sixty".