30863357040 has 80 divisors (see below), whose sum is σ = 97104463488. Its totient is φ = 8107385088.

The previous prime is 30863357033. The next prime is 30863357101. The reversal of 30863357040 is 4075336803.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 30863357040.

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 15 ways as a sum of consecutive naturals, for example, 943602 + ... + 975761.

Almost surely, 2^30863357040 is an apocalyptic number.

30863357040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30863357040 is an abundant number, since it is smaller than the sum of its proper divisors (66241106448).

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

30863357040 is a wasteful number, since it uses less digits than its factorization.

30863357040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919446 (or 1919440 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 30863357040 in words is "thirty billion, eight hundred sixty-three million, three hundred fifty-seven thousand, forty".