40912748361 has 27 divisors (see below), whose sum is σ = 59575985287. Its totient is φ = 27055501440.

The previous prime is 40912748299. The next prime is 40912748399. The reversal of 40912748361 is 16384721904.

The square root of 40912748361 is 202269.

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

40912748361 is a `hidden beast` number, since 4 + 0 + 91 + 27 + 483 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16621655625 + 24291092736 = 128925^2 + 155856^2 .

It is not a de Polignac number, because 40912748361 - 2²¹ = 40910651209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40912748161) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 115899961 + ... + 115900313.

Almost surely, 2^40912748361 is an apocalyptic number.

40912748361 is the 202269-th square number.

40912748361 is the 101135-th centered octagonal number.

It is an amenable number.

40912748361 is a deficient number, since it is larger than the sum of its proper divisors (18663236926).

40912748361 is an frugal number, since it uses more digits than its factorization.

40912748361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40912748361 in words is "forty billion, nine hundred twelve million, seven hundred forty-eight thousand, three hundred sixty-one".