30589040 has 20 divisors (see below), whose sum is σ = 71119704. Its totient is φ = 12235584.

The previous prime is 30589019. The next prime is 30589063. The reversal of 30589040 is 4098503.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 30588994 and 30589012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191102 + ... + 191261.

Almost surely, 2^30589040 is an apocalyptic number.

It is an amenable number.

30589040 is an abundant number, since it is smaller than the sum of its proper divisors (40530664).

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

30589040 is a wasteful number, since it uses less digits than its factorization.

30589040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382376 (or 382370 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30589040 is about 5530.7359365640. The cubic root of 30589040 is about 312.7437330520.

The spelling of 30589040 in words is "thirty million, five hundred eighty-nine thousand, forty".