30040164 has 72 divisors (see below), whose sum is σ = 94680768. Its totient is φ = 7801920.

The previous prime is 30040151. The next prime is 30040169. The reversal of 30040164 is 46104003.

It is a super-2 number, since 2×30040164² = 1804822906293792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30040169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2647 + ... + 8190.

Almost surely, 2^30040164 is an apocalyptic number.

It is an amenable number.

30040164 is an abundant number, since it is smaller than the sum of its proper divisors (64640604).

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

30040164 is a wasteful number, since it uses less digits than its factorization.

30040164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865 (or 10860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30040164 is about 5480.8908035100. The cubic root of 30040164 is about 310.8618541889.

Adding to 30040164 its reverse (46104003), we get a palindrome (76144167).

The spelling of 30040164 in words is "thirty million, forty thousand, one hundred sixty-four".