651037466400 has 576 divisors, whose sum is σ = 2287149613056. Its totient is φ = 160427520000.

The previous prime is 651037466357. The next prime is 651037466459. The reversal of 651037466400 is 4664730156.

It is a super-2 number, since 2×651037466400² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 308401345 + ... + 308403455.

It is an arithmetic number, because the mean of its divisors is an integer number (3970745856).

Almost surely, 2^651037466400 is an apocalyptic number.

651037466400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651037466400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143574806528).

651037466400 is an abundant number, since it is smaller than the sum of its proper divisors (1636112146656).

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

651037466400 is a wasteful number, since it uses less digits than its factorization.

651037466400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 651037466400 in words is "six hundred fifty-one billion, thirty-seven million, four hundred sixty-six thousand, four hundred".