64141880 has 32 divisors (see below), whose sum is σ = 157440240. Its totient is φ = 23324160.

The previous prime is 64141859. The next prime is 64141921. The reversal of 64141880 is 8814146.

It is a super-2 number, since 2×64141880² = 8228361539868800, which contains 22 as substring.

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, 72449 + ... + 73328.

Almost surely, 2^64141880 is an apocalyptic number.

It is an amenable number.

64141880 is an abundant number, since it is smaller than the sum of its proper divisors (93298360).

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

64141880 is a wasteful number, since it uses less digits than its factorization.

64141880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145799 (or 145795 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 64141880 is about 8008.8625909052. The cubic root of 64141880 is about 400.2953651782.

The spelling of 64141880 in words is "sixty-four million, one hundred forty-one thousand, eight hundred eighty".