7929357142940 has 12 divisors (see below), whose sum is σ = 16651650000216. Its totient is φ = 3171742857168.

The previous prime is 7929357142939. The next prime is 7929357142951. The reversal of 7929357142940 is 492417539297.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198233928554 + ... + 198233928593.

It is an arithmetic number, because the mean of its divisors is an integer number (1387637500018).

Almost surely, 2^{7929357142940} is an apocalyptic number.

It is an amenable number.

7929357142940 is an abundant number, since it is smaller than the sum of its proper divisors (8722292857276).

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

7929357142940 is a wasteful number, since it uses less digits than its factorization.

7929357142940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396467857156 (or 396467857154 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 7929357142940 in words is "seven trillion, nine hundred twenty-nine billion, three hundred fifty-seven million, one hundred forty-two thousand, nine hundred forty".