64041980 has 12 divisors (see below), whose sum is σ = 134488200. Its totient is φ = 25616784.

The previous prime is 64041977. The next prime is 64041983. The reversal of 64041980 is 8914046.

It is an interprime number because it is at equal distance from previous prime (64041977) and next prime (64041983).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64041983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601030 + ... + 1601069.

It is an arithmetic number, because the mean of its divisors is an integer number (11207350).

Almost surely, 2^64041980 is an apocalyptic number.

It is an amenable number.

64041980 is an abundant number, since it is smaller than the sum of its proper divisors (70446220).

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

64041980 is a wasteful number, since it uses less digits than its factorization.

64041980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202108 (or 3202106 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 64041980 is about 8002.6233198870. The cubic root of 64041980 is about 400.0874392179.

The spelling of 64041980 in words is "sixty-four million, forty-one thousand, nine hundred eighty".