30943008040 has 48 divisors (see below), whose sum is σ = 80988592500. Its totient is φ = 10609030656.

The previous prime is 30943008029. The next prime is 30943008157. The reversal of 30943008040 is 4080034903.

It can be written as a sum of positive squares in 2 ways, for example, as 30688733124 + 254274916 = 175182^2 + 15946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30943007993 and 30943008011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7891665 + ... + 7895584.

Almost surely, 2^30943008040 is an apocalyptic number.

It is an amenable number.

30943008040 is an abundant number, since it is smaller than the sum of its proper divisors (50045584460).

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

30943008040 is a wasteful number, since it uses less digits than its factorization.

30943008040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15787274 (or 15787263 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 30943008040 in words is "thirty billion, nine hundred forty-three million, eight thousand, forty".