30540844 has 12 divisors (see below), whose sum is σ = 53531968. Its totient is φ = 15246000.

The previous prime is 30540817. The next prime is 30540877. The reversal of 30540844 is 44804503.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 3132 + ... + 8419.

Almost surely, 2^30540844 is an apocalyptic number.

It is an amenable number.

30540844 is a deficient number, since it is larger than the sum of its proper divisors (22991124).

30540844 is a wasteful number, since it uses less digits than its factorization.

30540844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12216 (or 12214 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 30540844 is about 5526.3771134442. The cubic root of 30540844 is about 312.5793940140.

The spelling of 30540844 in words is "thirty million, five hundred forty thousand, eight hundred forty-four".