64281885400 has 48 divisors (see below), whose sum is σ = 151905500640. Its totient is φ = 25291228800.

The previous prime is 64281885397. The next prime is 64281885407. The reversal of 64281885400 is 458818246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64281885407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622304 + ... + 2646703.

It is an arithmetic number, because the mean of its divisors is an integer number (3164697930).

Almost surely, 2^64281885400 is an apocalyptic number.

It is an amenable number.

64281885400 is an abundant number, since it is smaller than the sum of its proper divisors (87623615240).

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

64281885400 is a wasteful number, since it uses less digits than its factorization.

64281885400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269084 (or 5269075 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 64281885400 in words is "sixty-four billion, two hundred eighty-one million, eight hundred eighty-five thousand, four hundred".