8972140442 has 16 divisors (see below), whose sum is σ = 14345865600. Its totient is φ = 4196162880.

The previous prime is 8972140433. The next prime is 8972140451. The reversal of 8972140442 is 2440412798.

It is an interprime number because it is at equal distance from previous prime (8972140433) and next prime (8972140451).

It is a super-2 number, since 2×8972140442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8972140442.

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, 1491359 + ... + 1497362.

It is an arithmetic number, because the mean of its divisors is an integer number (896616600).

Almost surely, 2^8972140442 is an apocalyptic number.

8972140442 is a deficient number, since it is larger than the sum of its proper divisors (5373725158).

8972140442 is a wasteful number, since it uses less digits than its factorization.

8972140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988821.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 8972140442 is about 94721.3832352548. The cubic root of 8972140442 is about 2077.9353003095.

The spelling of 8972140442 in words is "eight billion, nine hundred seventy-two million, one hundred forty thousand, four hundred forty-two".