30572045436 has 24 divisors (see below), whose sum is σ = 71578244304. Its totient is φ = 10155900160.

The previous prime is 30572045423. The next prime is 30572045461. The reversal of 30572045436 is 63454027503.

It is a junction number, because it is equal to n+sod(n) for n = 30572045394 and 30572045403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4344045 + ... + 4351076.

It is an arithmetic number, because the mean of its divisors is an integer number (2982426846).

Almost surely, 2^30572045436 is an apocalyptic number.

It is an amenable number.

30572045436 is an abundant number, since it is smaller than the sum of its proper divisors (41006198868).

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

30572045436 is a wasteful number, since it uses less digits than its factorization.

30572045436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695421 (or 8695419 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 30572045436 in words is "thirty billion, five hundred seventy-two million, forty-five thousand, four hundred thirty-six".