40447838863370 has 8 divisors (see below), whose sum is σ = 72806109954084. Its totient is φ = 16179135545344.

The previous prime is 40447838863349. The next prime is 40447838863381. The reversal of 40447838863370 is 7336883874404.

It can be written as a sum of positive squares in 2 ways, for example, as 39331724793001 + 1116114070369 = 6271501^2 + 1056463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40447838863297 and 40447838863306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022391943159 + ... + 2022391943178.

Almost surely, 2^{40447838863370} is an apocalyptic number.

40447838863370 is a deficient number, since it is larger than the sum of its proper divisors (32358271090714).

40447838863370 is a wasteful number, since it uses less digits than its factorization.

40447838863370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044783886344.

The product of its (nonzero) digits is 260112384, while the sum is 65.

The spelling of 40447838863370 in words is "forty trillion, four hundred forty-seven billion, eight hundred thirty-eight million, eight hundred sixty-three thousand, three hundred seventy".