42947794972800 has 1152 divisors, whose sum is σ = 165260523542400. Its totient is φ = 10593386496000.

The previous prime is 42947794972727. The next prime is 42947794972867. The reversal of 42947794972800 is 827949774924.

42947794972800 is a `hidden beast` number, since 4 + 2 + 9 + 47 + 79 + 497 + 28 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2876795736 + ... + 2876810664.

It is an arithmetic number, because the mean of its divisors is an integer number (143455315575).

Almost surely, 2^{42947794972800} is an apocalyptic number.

42947794972800 is a gapful number since it is divisible by the number (40) 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 42947794972800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82630261771200).

42947794972800 is an abundant number, since it is smaller than the sum of its proper divisors (122312728569600).

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

42947794972800 is a wasteful number, since it uses less digits than its factorization.

42947794972800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126 (or 15106 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 72.

The spelling of 42947794972800 in words is "forty-two trillion, nine hundred forty-seven billion, seven hundred ninety-four million, nine hundred seventy-two thousand, eight hundred".