30773123765440 has 56 divisors (see below), whose sum is σ = 83746858253472. Its totient is φ = 10550785290240.

The previous prime is 30773123765429. The next prime is 30773123765441. The reversal of 30773123765440 is 4456732137703.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-3 number, since 3×30773123765440³ (a number of 41 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30773123765441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6868998601 + ... + 6869003080.

Almost surely, 2^{30773123765440} is an apocalyptic number.

It is an amenable number.

30773123765440 is an abundant number, since it is smaller than the sum of its proper divisors (52973734488032).

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

30773123765440 is a wasteful number, since it uses less digits than its factorization.

30773123765440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738001705 (or 13738001695 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 52.

The spelling of 30773123765440 in words is "thirty trillion, seven hundred seventy-three billion, one hundred twenty-three million, seven hundred sixty-five thousand, four hundred forty".