64854002400 has 144 divisors (see below), whose sum is σ = 230290760448. Its totient is φ = 15722176000.

The previous prime is 64854002399. The next prime is 64854002443. The reversal of 64854002400 is 420045846.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201896 + ... + 1254695.

It is an arithmetic number, because the mean of its divisors is an integer number (1599241392).

Almost surely, 2^64854002400 is an apocalyptic number.

64854002400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64854002400 is an abundant number, since it is smaller than the sum of its proper divisors (165436758048).

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

64854002400 is a wasteful number, since it uses less digits than its factorization.

64854002400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456625 (or 2456612 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 64854002400 in words is "sixty-four billion, eight hundred fifty-four million, two thousand, four hundred".