725152444 has 12 divisors (see below), whose sum is σ = 1276803304. Its totient is φ = 360351504.

The previous prime is 725152429. The next prime is 725152451. The reversal of 725152444 is 444251527.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555447 + ... + 556750.

Almost surely, 2^725152444 is an apocalyptic number.

It is an amenable number.

725152444 is a deficient number, since it is larger than the sum of its proper divisors (551650860).

725152444 is a wasteful number, since it uses less digits than its factorization.

725152444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112364 (or 1112362 counting only the distinct ones).

The product of its digits is 44800, while the sum is 34.

The square root of 725152444 is about 26928.6547008944. The cubic root of 725152444 is about 898.4138498499.

It can be divided in two parts, 7251 and 52444, that added together give a palindrome (59695).

The spelling of 725152444 in words is "seven hundred twenty-five million, one hundred fifty-two thousand, four hundred forty-four".