612079395790400 has 252 divisors, whose sum is σ = 1638156798955440. Its totient is φ = 224463740544000.

The previous prime is 612079395790351. The next prime is 612079395790451. The reversal of 612079395790400 is 4097593970216.

It is a super-2 number, since 2×612079395790400² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18738755 + ... + 39690045.

Almost surely, 2^{612079395790400} 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 612079395790400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819078399477720).

612079395790400 is an abundant number, since it is smaller than the sum of its proper divisors (1026077403165040).

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

612079395790400 is a wasteful number, since it uses less digits than its factorization.

612079395790400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951394 (or 20951348 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 62.

The spelling of 612079395790400 in words is "six hundred twelve trillion, seventy-nine billion, three hundred ninety-five million, seven hundred ninety thousand, four hundred".