64827262400 has 84 divisors (see below), whose sum is σ = 160471427088. Its totient is φ = 25775523840.

The previous prime is 64827262393. The next prime is 64827262433. The reversal of 64827262400 is 426272846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145892 + ... + 388508.

It is an arithmetic number, because the mean of its divisors is an integer number (1910374132).

Almost surely, 2^64827262400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64827262400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80235713544).

64827262400 is an abundant number, since it is smaller than the sum of its proper divisors (95644164688).

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

64827262400 is a wasteful number, since it uses less digits than its factorization.

64827262400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242806 (or 242791 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 64827262400 in words is "sixty-four billion, eight hundred twenty-seven million, two hundred sixty-two thousand, four hundred".