7456043478522 has 16 divisors (see below), whose sum is σ = 15560438564160. Its totient is φ = 2377289224992.

The previous prime is 7456043478493. The next prime is 7456043478547. The reversal of 7456043478522 is 2258743406547.

It is a happy number.

It is a super-2 number, since 2×7456043478522² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27014650147 + ... + 27014650422.

It is an arithmetic number, because the mean of its divisors is an integer number (972527410260).

Almost surely, 2^{7456043478522} is an apocalyptic number.

7456043478522 is an abundant number, since it is smaller than the sum of its proper divisors (8104395085638).

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

7456043478522 is a wasteful number, since it uses less digits than its factorization.

7456043478522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54029300597.

The product of its (nonzero) digits is 45158400, while the sum is 57.

The spelling of 7456043478522 in words is "seven trillion, four hundred fifty-six billion, forty-three million, four hundred seventy-eight thousand, five hundred twenty-two".