7923946239240 has 64 divisors (see below), whose sum is σ = 23773373933760. Its totient is φ = 2112915866880.

The previous prime is 7923946239229. The next prime is 7923946239257. The reversal of 7923946239240 is 429326493297.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259554 + ... + 3989393.

It is an arithmetic number, because the mean of its divisors is an integer number (371458967715).

Almost surely, 2^{7923946239240} is an apocalyptic number.

It is an amenable number.

7923946239240 is an abundant number, since it is smaller than the sum of its proper divisors (15849427694520).

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

7923946239240 is a wasteful number, since it uses less digits than its factorization.

7923946239240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264502 (or 4264498 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 7923946239240 in words is "seven trillion, nine hundred twenty-three billion, nine hundred forty-six million, two hundred thirty-nine thousand, two hundred forty".