7157020992 has 112 divisors (see below), whose sum is σ = 20821204992. Its totient is φ = 2151636480.

The previous prime is 7157020979. The next prime is 7157020999. The reversal of 7157020992 is 2990207517.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157020999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254883 + ... + 281565.

It is an arithmetic number, because the mean of its divisors is an integer number (185903616).

Almost surely, 2^7157020992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7157020992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10410602496).

7157020992 is an abundant number, since it is smaller than the sum of its proper divisors (13664184000).

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

7157020992 is a wasteful number, since it uses less digits than its factorization.

7157020992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26836 (or 26826 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 7157020992 is about 84599.1784357271. The cubic root of 7157020992 is about 1927.1288971836.

The spelling of 7157020992 in words is "seven billion, one hundred fifty-seven million, twenty thousand, nine hundred ninety-two".