40316474437 has 2 divisors, whose sum is σ = 40316474438. Its totient is φ = 40316474436.

The previous prime is 40316474381. The next prime is 40316474461. The reversal of 40316474437 is 73447461304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32804092161 + 7512382276 = 181119^2 + 86674^2 .

It is a cyclic number.

It is not a de Polignac number, because 40316474437 - 2⁷ = 40316474309 is a prime.

It is a super-2 number, since 2×40316474437² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40316474393 and 40316474402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40316474537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20158237218 + 20158237219.

It is an arithmetic number, because the mean of its divisors is an integer number (20158237219).

Almost surely, 2^40316474437 is an apocalyptic number.

It is an amenable number.

40316474437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40316474437 is an equidigital number, since it uses as much as digits as its factorization.

40316474437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 40316474437 in words is "forty billion, three hundred sixteen million, four hundred seventy-four thousand, four hundred thirty-seven".