738644355252 has 72 divisors (see below), whose sum is σ = 1977804646272. Its totient is φ = 231632544000.

The previous prime is 738644355199. The next prime is 738644355271. The reversal of 738644355252 is 252553446837.

738644355252 is a `hidden beast` number, since 7 + 3 + 86 + 4 + 4 + 3 + 552 + 5 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182127 + ... + 1695497.

It is an arithmetic number, because the mean of its divisors is an integer number (27469508976).

Almost surely, 2^738644355252 is an apocalyptic number.

It is an amenable number.

738644355252 is an abundant number, since it is smaller than the sum of its proper divisors (1239160291020).

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

738644355252 is a wasteful number, since it uses less digits than its factorization.

738644355252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515749 (or 515744 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 54.

The spelling of 738644355252 in words is "seven hundred thirty-eight billion, six hundred forty-four million, three hundred fifty-five thousand, two hundred fifty-two".