32725517140 has 24 divisors (see below), whose sum is σ = 72766150632. Its totient is φ = 12320194560.

The previous prime is 32725517119. The next prime is 32725517159. The reversal of 32725517140 is 4171552723.

It can be written as a sum of positive squares in 4 ways, for example, as 3671632836 + 29053884304 = 60594^2 + 170452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32725517140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48125421 + ... + 48126100.

It is an arithmetic number, because the mean of its divisors is an integer number (3031922943).

Almost surely, 2^32725517140 is an apocalyptic number.

It is an amenable number.

32725517140 is an abundant number, since it is smaller than the sum of its proper divisors (40040633492).

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

32725517140 is a wasteful number, since it uses less digits than its factorization.

32725517140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96251547 (or 96251545 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 32725517140 in words is "thirty-two billion, seven hundred twenty-five million, five hundred seventeen thousand, one hundred forty".