38399859284644 has 243 divisors, whose sum is σ = 81898749351363. Its totient is φ = 15734818070400.

The previous prime is 38399859284627. The next prime is 38399859284701. The reversal of 38399859284644 is 44648295899383.

It is a happy number.

The square root of 38399859284644 is 6196762.

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

It can be written as a sum of positive squares in 4 ways, for example, as 11327734548900 + 27072124735744 = 3365670^2 + 5203088^2 .

It is a super-2 number, since 2×38399859284644² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 83296874574 + ... + 83296875034.

Almost surely, 2^{38399859284644} is an apocalyptic number.

38399859284644 is the 6196762-nd square number.

It is an amenable number.

38399859284644 is an abundant number, since it is smaller than the sum of its proper divisors (43498890066719).

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

38399859284644 is a wasteful number, since it uses less digits than its factorization.

38399859284644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 534 counting only the distinct ones).

The product of its digits is 12899450880, while the sum is 82.

The spelling of 38399859284644 in words is "thirty-eight trillion, three hundred ninety-nine billion, eight hundred fifty-nine million, two hundred eighty-four thousand, six hundred forty-four".