7942892940 has 192 divisors, whose sum is σ = 25740288000. Its totient is φ = 2030918400.

The previous prime is 7942892891. The next prime is 7942892959. The reversal of 7942892940 is 492982497.

7942892940 is a `hidden beast` number, since 79 + 4 + 289 + 294 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2362981 + ... + 2366339.

It is an arithmetic number, because the mean of its divisors is an integer number (134064000).

Almost surely, 2^7942892940 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 7942892940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12870144000).

7942892940 is an abundant number, since it is smaller than the sum of its proper divisors (17797395060).

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

7942892940 is a wasteful number, since it uses less digits than its factorization.

7942892940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 7942892940 is about 89122.9091760362. The cubic root of 7942892940 is about 1995.2297095437.

The spelling of 7942892940 in words is "seven billion, nine hundred forty-two million, eight hundred ninety-two thousand, nine hundred forty".