7538225388042 has 16 divisors (see below), whose sum is σ = 15963300821952. Its totient is φ = 2364933455040.

The previous prime is 7538225388019. The next prime is 7538225388073. The reversal of 7538225388042 is 2408835228357.

It is a super-2 number, since 2×7538225388042² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36952085134 + ... + 36952085337.

It is an arithmetic number, because the mean of its divisors is an integer number (997706301372).

Almost surely, 2^{7538225388042} is an apocalyptic number.

7538225388042 is an abundant number, since it is smaller than the sum of its proper divisors (8425075433910).

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

7538225388042 is a wasteful number, since it uses less digits than its factorization.

7538225388042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73904170493.

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 7538225388042 in words is "seven trillion, five hundred thirty-eight billion, two hundred twenty-five million, three hundred eighty-eight thousand, forty-two".