30066444 has 24 divisors (see below), whose sum is σ = 77950320. Its totient is φ = 10022112.

The previous prime is 30066433. The next prime is 30066457. The reversal of 30066444 is 44466003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 139089 + ... + 139304.

It is an arithmetic number, because the mean of its divisors is an integer number (3247930).

Almost surely, 2^30066444 is an apocalyptic number.

It is an amenable number.

30066444 is an abundant number, since it is smaller than the sum of its proper divisors (47883876).

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

30066444 is a wasteful number, since it uses less digits than its factorization.

30066444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278406 (or 278398 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 30066444 is about 5483.2876999114. The cubic root of 30066444 is about 310.9524780661.

The spelling of 30066444 in words is "thirty million, sixty-six thousand, four hundred forty-four".