40473794761 has 9 divisors (see below), whose sum is σ = 42314872621. Its totient is φ = 38709638572.

The previous prime is 40473794731. The next prime is 40473794789. The reversal of 40473794761 is 16749737404.

The square root of 40473794761 is 201181.

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

It is not a de Polignac number, because 40473794761 - 2¹³ = 40473786569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40473794699 and 40473794708.

It is not an unprimeable number, because it can be changed into a prime (40473794731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4622790 + ... + 4631536.

Almost surely, 2^40473794761 is an apocalyptic number.

40473794761 is the 201181-st square number.

40473794761 is the 100591-st centered octagonal number.

It is an amenable number.

40473794761 is a deficient number, since it is larger than the sum of its proper divisors (1841077860).

40473794761 is an frugal number, since it uses more digits than its factorization.

40473794761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540 (or 8770 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 40473794761 in words is "forty billion, four hundred seventy-three million, seven hundred ninety-four thousand, seven hundred sixty-one".