40167497 has 2 divisors, whose sum is σ = 40167498. Its totient is φ = 40167496.

The previous prime is 40167487. The next prime is 40167509. The reversal of 40167497 is 79476104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25999801 + 14167696 = 5099^2 + 3764^2 .

It is a cyclic number.

It is not a de Polignac number, because 40167497 - 2⁸ = 40167241 is a prime.

It is a super-2 number, since 2×40167497² = 3226855630490018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40167497.

It is not a weakly prime, because it can be changed into another prime (40167427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083748 + 20083749.

It is an arithmetic number, because the mean of its divisors is an integer number (20083749).

Almost surely, 2^40167497 is an apocalyptic number.

It is an amenable number.

40167497 is a deficient number, since it is larger than the sum of its proper divisors (1).

40167497 is an equidigital number, since it uses as much as digits as its factorization.

40167497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 40167497 is about 6337.7832875541. The cubic root of 40167497 is about 342.4718843136.

It can be divided in two parts, 401674 and 97, that multiplied together give a triangular number (38962378 = T₈₈₂₇).

The spelling of 40167497 in words is "forty million, one hundred sixty-seven thousand, four hundred ninety-seven".