30440036 has 24 divisors (see below), whose sum is σ = 58272480. Its totient is φ = 13798400.

The previous prime is 30440029. The next prime is 30440041. The reversal of 30440036 is 63004403.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20900 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (2428020).

Almost surely, 2^30440036 is an apocalyptic number.

It is an amenable number.

30440036 is a deficient number, since it is larger than the sum of its proper divisors (27832444).

30440036 is a wasteful number, since it uses less digits than its factorization.

30440036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30440036 is about 5517.2489521500. The cubic root of 30440036 is about 312.2350983903.

Adding to 30440036 its reverse (63004403), we get a palindrome (93444439).

The spelling of 30440036 in words is "thirty million, four hundred forty thousand, thirty-six".