3725456012440 has 64 divisors (see below), whose sum is σ = 8878834388160. Its totient is φ = 1401974169600.

The previous prime is 3725456012413. The next prime is 3725456012459. The reversal of 3725456012440 is 442106545273.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660864 + ... + 2808496.

It is an arithmetic number, because the mean of its divisors is an integer number (138731787315).

Almost surely, 2^{3725456012440} is an apocalyptic number.

It is an amenable number.

3725456012440 is an abundant number, since it is smaller than the sum of its proper divisors (5153378375720).

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

3725456012440 is a wasteful number, since it uses less digits than its factorization.

3725456012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150212 (or 2150208 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 3725456012440 in words is "three trillion, seven hundred twenty-five billion, four hundred fifty-six million, twelve thousand, four hundred forty".