42897222244800 has 6048 divisors, whose sum is σ = 219591351682560. Its totient is φ = 7803371520000.

The previous prime is 42897222244787. The next prime is 42897222244829. The reversal of 42897222244800 is 844222279824.

It is a happy number.

42897222244800 is a `hidden beast` number, since 42 + 89 + 7 + 2 + 22 + 24 + 480 + 0 = 666.

It is a super-2 number, since 2×42897222244800² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 177996772680 + ... + 177996772920.

Almost surely, 2^{42897222244800} is an apocalyptic number.

42897222244800 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 42897222244800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109795675841280).

42897222244800 is an abundant number, since it is smaller than the sum of its proper divisors (176694129437760).

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

42897222244800 is a wasteful number, since it uses less digits than its factorization.

42897222244800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 42897222244800 in words is "forty-two trillion, eight hundred ninety-seven billion, two hundred twenty-two million, two hundred forty-four thousand, eight hundred".