40393362361 has 21 divisors (see below), whose sum is σ = 44728901301. Its totient is φ = 36478051500.

The previous prime is 40393362349. The next prime is 40393362407. The reversal of 40393362361 is 16326339304.

The square root of 40393362361 is 200981.

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

It is not a de Polignac number, because 40393362361 - 2⁹ = 40393361849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40393362301) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 267505636 + ... + 267505786.

It is an arithmetic number, because the mean of its divisors is an integer number (2129947681).

Almost surely, 2^40393362361 is an apocalyptic number.

40393362361 is the 200981-st square number.

40393362361 is the 100491-st centered octagonal number.

It is an amenable number.

40393362361 is a deficient number, since it is larger than the sum of its proper divisors (4335538940).

40393362361 is an frugal number, since it uses more digits than its factorization.

40393362361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 40.

The spelling of 40393362361 in words is "forty billion, three hundred ninety-three million, three hundred sixty-two thousand, three hundred sixty-one".