30438431046 has 32 divisors (see below), whose sum is σ = 67669699680. Its totient is φ = 10141832448.

The previous prime is 30438431041. The next prime is 30438431069. The reversal of 30438431046 is 64013483403.

It is a happy number.

30438431046 is a `hidden beast` number, since 304 + 38 + 4 + 310 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30438431046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30438431041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9790 + ... + 246926.

It is an arithmetic number, because the mean of its divisors is an integer number (2114678115).

Almost surely, 2^30438431046 is an apocalyptic number.

30438431046 is an abundant number, since it is smaller than the sum of its proper divisors (37231268634).

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

30438431046 is a wasteful number, since it uses less digits than its factorization.

30438431046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239525 (or 239519 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 30438431046 in words is "thirty billion, four hundred thirty-eight million, four hundred thirty-one thousand, forty-six".