395744162724 has 45 divisors (see below), whose sum is σ = 1034583015697. Its totient is φ = 131910946416.

The previous prime is 395744162707. The next prime is 395744162741. The reversal of 395744162724 is 427261447593.

The square root of 395744162724 is 629082.

It is a perfect power (a square), and thus also a powerful number.

395744162724 is a `hidden beast` number, since 3 + 9 + 5 + 7 + 4 + 4 + 1 + 627 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (395744162707) and next prime (395744162741).

It can be written as a sum of positive squares in only one way, i.e., 16337441124 + 379406721600 = 127818^2 + 615960^2 .

It is a super-2 number, since 2×395744162724² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11306002 + ... + 11340950.

Almost surely, 2^395744162724 is an apocalyptic number.

395744162724 is the 629082-nd square number.

It is an amenable number.

395744162724 is an abundant number, since it is smaller than the sum of its proper divisors (638838852973).

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

395744162724 is an frugal number, since it uses more digits than its factorization.

395744162724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69914 (or 34954 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 395744162724 in words is "three hundred ninety-five billion, seven hundred forty-four million, one hundred sixty-two thousand, seven hundred twenty-four".