30089040 has 40 divisors (see below), whose sum is σ = 93276768. Its totient is φ = 8023680.

The previous prime is 30089021. The next prime is 30089047. The reversal of 30089040 is 4098003.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30089040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30089047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62446 + ... + 62925.

Almost surely, 2^30089040 is an apocalyptic number.

30089040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30089040 is an abundant number, since it is smaller than the sum of its proper divisors (63187728).

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

30089040 is a wasteful number, since it uses less digits than its factorization.

30089040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125387 (or 125381 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30089040 is about 5485.3477556122. The cubic root of 30089040 is about 311.0303558353.

The spelling of 30089040 in words is "thirty million, eighty-nine thousand, forty".