7542447465216 has 36 divisors (see below), whose sum is σ = 20073909662072. Its totient is φ = 2514149154816.

The previous prime is 7542447465103. The next prime is 7542447465269. The reversal of 7542447465216 is 6125647442457.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4910446801 + ... + 4910448336.

Almost surely, 2^{7542447465216} is an apocalyptic number.

It is an amenable number.

7542447465216 is an abundant number, since it is smaller than the sum of its proper divisors (12531462196856).

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

7542447465216 is an equidigital number, since it uses as much as digits as its factorization.

7542447465216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820895156 (or 9820895142 counting only the distinct ones).

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

The spelling of 7542447465216 in words is "seven trillion, five hundred forty-two billion, four hundred forty-seven million, four hundred sixty-five thousand, two hundred sixteen".