30042451452 has 48 divisors (see below), whose sum is σ = 75749052960. Its totient is φ = 9212268288.

The previous prime is 30042451451. The next prime is 30042451469. The reversal of 30042451452 is 25415424003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042451451) 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, 282927 + ... + 374342.

It is an arithmetic number, because the mean of its divisors is an integer number (1578105270).

Almost surely, 2^30042451452 is an apocalyptic number.

It is an amenable number.

30042451452 is an abundant number, since it is smaller than the sum of its proper divisors (45706601508).

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

30042451452 is a wasteful number, since it uses less digits than its factorization.

30042451452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657582 (or 657580 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 30042451452 its reverse (25415424003), we get a palindrome (55457875455).

The spelling of 30042451452 in words is "thirty billion, forty-two million, four hundred fifty-one thousand, four hundred fifty-two".