30451510468 has 18 divisors (see below), whose sum is σ = 55707847454. Its totient is φ = 14563764864.

The previous prime is 30451510393. The next prime is 30451510469. The reversal of 30451510468 is 86401515403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23225150404 + 7226360064 = 152398^2 + 85008^2 .

It is not an unprimeable number, because it can be changed into a prime (30451510469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7193421 + ... + 7197652.

Almost surely, 2^30451510468 is an apocalyptic number.

It is an amenable number.

30451510468 is a deficient number, since it is larger than the sum of its proper divisors (25256336986).

30451510468 is a wasteful number, since it uses less digits than its factorization.

30451510468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391123 (or 14391098 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 30451510468 in words is "thirty billion, four hundred fifty-one million, five hundred ten thousand, four hundred sixty-eight".