3125340434520 has 96 divisors (see below), whose sum is σ = 10163718555120. Its totient is φ = 832902094080.

The previous prime is 3125340434509. The next prime is 3125340434527. The reversal of 3125340434520 is 254340435213.

3125340434520 is a `hidden beast` number, since 3 + 1 + 2 + 53 + 40 + 43 + 4 + 520 = 666.

It is a super-4 number, since 4×3125340434520⁴ (a number of 51 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125340434527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143146 + ... + 3292985.

Almost surely, 2^{3125340434520} is an apocalyptic number.

3125340434520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3125340434520 is an abundant number, since it is smaller than the sum of its proper divisors (7038378120600).

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

3125340434520 is a wasteful number, since it uses less digits than its factorization.

3125340434520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437745 (or 5437738 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 3125340434520 its reverse (254340435213), we get a palindrome (3379680869733).

The spelling of 3125340434520 in words is "three trillion, one hundred twenty-five billion, three hundred forty million, four hundred thirty-four thousand, five hundred twenty".