38949020446 has 8 divisors (see below), whose sum is σ = 66769749360. Its totient is φ = 16692437328.

The previous prime is 38949020441. The next prime is 38949020489. The reversal of 38949020446 is 64402094983.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38949020446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38949020441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391036431 + ... + 1391036458.

It is an arithmetic number, because the mean of its divisors is an integer number (8346218670).

Almost surely, 2^38949020446 is an apocalyptic number.

38949020446 is a deficient number, since it is larger than the sum of its proper divisors (27820728914).

38949020446 is a wasteful number, since it uses less digits than its factorization.

38949020446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782072898.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 38949020446 in words is "thirty-eight billion, nine hundred forty-nine million, twenty thousand, four hundred forty-six".