30457945790 has 32 divisors (see below), whose sum is σ = 58701529440. Its totient is φ = 11337677824.

The previous prime is 30457945789. The next prime is 30457945823. The reversal of 30457945790 is 9754975403.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991412 + ... + 1021671.

It is an arithmetic number, because the mean of its divisors is an integer number (1834422795).

Almost surely, 2^30457945790 is an apocalyptic number.

30457945790 is a deficient number, since it is larger than the sum of its proper divisors (28243583650).

30457945790 is a wasteful number, since it uses less digits than its factorization.

30457945790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013196.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 30457945790 in words is "thirty billion, four hundred fifty-seven million, nine hundred forty-five thousand, seven hundred ninety".