43996475894400 has 768 divisors, whose sum is σ = 162279582192000. Its totient is φ = 11640608686080.

The previous prime is 43996475894317. The next prime is 43996475894461. The reversal of 43996475894400 is 449857469934.

It is a happy number.

43996475894400 is a `hidden beast` number, since 4 + 3 + 9 + 9 + 64 + 75 + 8 + 94 + 400 = 666.

It is a super-2 number, since 2×43996475894400² (a number of 28 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 5898437871 + ... + 5898445329.

Almost surely, 2^{43996475894400} is an apocalyptic number.

43996475894400 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 43996475894400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81139791096000).

43996475894400 is an abundant number, since it is smaller than the sum of its proper divisors (118283106297600).

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

43996475894400 is a wasteful number, since it uses less digits than its factorization.

43996475894400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018 (or 7995 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 72.

The spelling of 43996475894400 in words is "forty-three trillion, nine hundred ninety-six billion, four hundred seventy-five million, eight hundred ninety-four thousand, four hundred".