2451232321542 has 24 divisors (see below), whose sum is σ = 5321197248120. Its totient is φ = 815509150560.

The previous prime is 2451232321523. The next prime is 2451232321553.

2451232321542 is a `hidden beast` number, since 2 + 4 + 51 + 2 + 32 + 32 + 1 + 542 = 666.

2451232321542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2451232321497 and 2451232321506.

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 11 ways as a sum of consecutive naturals, for example, 130681192 + ... + 130699947.

It is an arithmetic number, because the mean of its divisors is an integer number (221716552005).

Almost surely, 2^{2451232321542} is an apocalyptic number.

2451232321542 is an abundant number, since it is smaller than the sum of its proper divisors (2869964926578).

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

2451232321542 is a wasteful number, since it uses less digits than its factorization.

2451232321542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261381668 (or 261381665 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 2451232321542 in words is "two trillion, four hundred fifty-one billion, two hundred thirty-two million, three hundred twenty-one thousand, five hundred forty-two".