251403130415332 has 48 divisors (see below), whose sum is σ = 532387560878208. Its totient is φ = 101405454958080.

The previous prime is 251403130415323. The next prime is 251403130415357. The reversal of 251403130415332 is 233514031304152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 251403130415291 and 251403130415300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56273203 + ... + 60576229.

It is an arithmetic number, because the mean of its divisors is an integer number (11091407518296).

Almost surely, 2^{251403130415332} is an apocalyptic number.

It is an amenable number.

251403130415332 is an abundant number, since it is smaller than the sum of its proper divisors (280984430462876).

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

251403130415332 is a wasteful number, since it uses less digits than its factorization.

251403130415332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425796 (or 4425794 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 251403130415332 its reverse (233514031304152), we get a palindrome (484917161719484).

The spelling of 251403130415332 in words is "two hundred fifty-one trillion, four hundred three billion, one hundred thirty million, four hundred fifteen thousand, three hundred thirty-two".