30403252351452 has 96 divisors (see below), whose sum is σ = 72832404556800. Its totient is φ = 9867789315072.

The previous prime is 30403252351349. The next prime is 30403252351523. The reversal of 30403252351452 is 25415325230403.

It is a self number, because there is not a number n which added to its sum of digits gives 30403252351452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640597699 + ... + 640645157.

It is an arithmetic number, because the mean of its divisors is an integer number (758670880800).

Almost surely, 2^{30403252351452} is an apocalyptic number.

It is an amenable number.

30403252351452 is an abundant number, since it is smaller than the sum of its proper divisors (42429152205348).

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

30403252351452 is a wasteful number, since it uses less digits than its factorization.

30403252351452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56875 (or 56873 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 30403252351452 its reverse (25415325230403), we get a palindrome (55818577581855).

The spelling of 30403252351452 in words is "thirty trillion, four hundred three billion, two hundred fifty-two million, three hundred fifty-one thousand, four hundred fifty-two".