51732626400 has 1440 divisors, whose sum is σ = 240532604928. Its totient is φ = 10525593600.

The previous prime is 51732626383. The next prime is 51732626417. The reversal of 51732626400 is 462623715.

51732626400 is a `hidden beast` number, since 5 + 1 + 7 + 3 + 2 + 6 + 2 + 640 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (51732626383) and next prime (51732626417).

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 182800659 + ... + 182800941.

Almost surely, 2^51732626400 is an apocalyptic number.

51732626400 is a gapful number since it is divisible by the number (50) 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 51732626400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120266302464).

51732626400 is an abundant number, since it is smaller than the sum of its proper divisors (188799978528).

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

51732626400 is a wasteful number, since it uses less digits than its factorization.

51732626400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 51732626400 in words is "fifty-one billion, seven hundred thirty-two million, six hundred twenty-six thousand, four hundred".