64141620400 has 120 divisors (see below), whose sum is σ = 181041006384. Its totient is φ = 21530035200.

The previous prime is 64141620391. The next prime is 64141620401. The reversal of 64141620400 is 402614146.

It is a super-2 number, since 2×64141620400² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64141620401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503479 + ... + 617878.

Almost surely, 2^64141620400 is an apocalyptic number.

It is an amenable number.

64141620400 is an abundant number, since it is smaller than the sum of its proper divisors (116899385984).

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

64141620400 is a wasteful number, since it uses less digits than its factorization.

64141620400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121399 (or 1121388 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 64141620400 in words is "sixty-four billion, one hundred forty-one million, six hundred twenty thousand, four hundred".