64002480 has 40 divisors (see below), whose sum is σ = 198408432. Its totient is φ = 17067264.

The previous prime is 64002479. The next prime is 64002529. The reversal of 64002480 is 8420046.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 64002480.

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, 133099 + ... + 133578.

Almost surely, 2^64002480 is an apocalyptic number.

64002480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64002480 is an abundant number, since it is smaller than the sum of its proper divisors (134405952).

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

64002480 is a wasteful number, since it uses less digits than its factorization.

64002480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266693 (or 266687 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 64002480 is about 8000.1549984985. The cubic root of 64002480 is about 400.0051665999.

The spelling of 64002480 in words is "sixty-four million, two thousand, four hundred eighty".