49151776804 has 27 divisors (see below), whose sum is σ = 93152087217. Its totient is φ = 22682775024.

The previous prime is 49151776783. The next prime is 49151776829. The reversal of 49151776804 is 40867715194.

It is a happy number.

The square root of 49151776804 is 221702.

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

It can be written as a sum of positive squares in only one way, i.e., 7270972900 + 41880803904 = 85270^2 + 204648^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5759989 + ... + 5768515.

Almost surely, 2^49151776804 is an apocalyptic number.

49151776804 is the 221702-nd square number.

It is an amenable number.

49151776804 is a deficient number, since it is larger than the sum of its proper divisors (44000310413).

49151776804 is an frugal number, since it uses more digits than its factorization.

49151776804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17084 (or 8542 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 49151776804 in words is "forty-nine billion, one hundred fifty-one million, seven hundred seventy-six thousand, eight hundred four".