30650440 has 16 divisors (see below), whose sum is σ = 68963580. Its totient is φ = 12260160.

The previous prime is 30650429. The next prime is 30650449. The reversal of 30650440 is 4405603.

It can be written as a sum of positive squares in 2 ways, for example, as 26894596 + 3755844 = 5186^2 + 1938^2 .

It is not an unprimeable number, because it can be changed into a prime (30650449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383091 + ... + 383170.

Almost surely, 2^30650440 is an apocalyptic number.

It is an amenable number.

30650440 is an abundant number, since it is smaller than the sum of its proper divisors (38313140).

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

30650440 is a wasteful number, since it uses less digits than its factorization.

30650440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766272 (or 766268 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30650440 is about 5536.2839522553. The cubic root of 30650440 is about 312.9528453292.

The spelling of 30650440 in words is "thirty million, six hundred fifty thousand, four hundred forty".