52723251763440 has 160 divisors (see below), whose sum is σ = 167433948666432. Its totient is φ = 13716169728000.

The previous prime is 52723251763387. The next prime is 52723251763477. The reversal of 52723251763440 is 4436715232725.

It is a super-2 number, since 2×52723251763440² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388228350 + ... + 388364130.

Almost surely, 2^{52723251763440} is an apocalyptic number.

It is an amenable number.

52723251763440 is an abundant number, since it is smaller than the sum of its proper divisors (114710696902992).

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

52723251763440 is a wasteful number, since it uses less digits than its factorization.

52723251763440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175299 (or 175293 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 51.

The spelling of 52723251763440 in words is "fifty-two trillion, seven hundred twenty-three billion, two hundred fifty-one million, seven hundred sixty-three thousand, four hundred forty".