797850239040 has 168 divisors, whose sum is σ = 2765222336448. Its totient is φ = 211135841280.

The previous prime is 797850239023. The next prime is 797850239077. The reversal of 797850239040 is 40932058797.

797850239040 is a `hidden beast` number, since 7 + 9 + 7 + 8 + 502 + 3 + 90 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680092 + ... + 1434651.

Almost surely, 2^797850239040 is an apocalyptic number.

It is an amenable number.

797850239040 is an abundant number, since it is smaller than the sum of its proper divisors (1967372097408).

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

797850239040 is a wasteful number, since it uses less digits than its factorization.

797850239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114897 (or 2114884 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 797850239040 in words is "seven hundred ninety-seven billion, eight hundred fifty million, two hundred thirty-nine thousand, forty".