125254434044340 has 36 divisors (see below), whose sum is σ = 379938449935044. Its totient is φ = 33401182411776.

The previous prime is 125254434044321. The next prime is 125254434044357. The reversal of 125254434044340 is 43440434452521.

125254434044340 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 544 + 34 + 0 + 44 + 34 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13111163032356 + 112143271011984 = 3620934^2 + 10589772^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347928983277 + ... + 347928983636.

It is an arithmetic number, because the mean of its divisors is an integer number (10553845831529).

Almost surely, 2^{125254434044340} is an apocalyptic number.

125254434044340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125254434044340 is an abundant number, since it is smaller than the sum of its proper divisors (254684015890704).

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

125254434044340 is a wasteful number, since it uses less digits than its factorization.

125254434044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695857966928 (or 695857966923 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

Adding to 125254434044340 its reverse (43440434452521), we get a palindrome (168694868496861).

The spelling of 125254434044340 in words is "one hundred twenty-five trillion, two hundred fifty-four billion, four hundred thirty-four million, forty-four thousand, three hundred forty".