42241212056520 has 192 divisors, whose sum is σ = 144110612056320. Its totient is φ = 10710051297792.

The previous prime is 42241212056473. The next prime is 42241212056521. The reversal of 42241212056520 is 2565021214224.

42241212056520 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 1 + 2 + 120 + 5 + 6 + 520 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (42241212056521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13891479 + ... + 16656998.

It is an arithmetic number, because the mean of its divisors is an integer number (750576104460).

Almost surely, 2^{42241212056520} is an apocalyptic number.

42241212056520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42241212056520 is an abundant number, since it is smaller than the sum of its proper divisors (101869399999800).

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

42241212056520 is a wasteful number, since it uses less digits than its factorization.

42241212056520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30548684 (or 30548677 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 42241212056520 in words is "forty-two trillion, two hundred forty-one billion, two hundred twelve million, fifty-six thousand, five hundred twenty".