40892479 has 2 divisors, whose sum is σ = 40892480. Its totient is φ = 40892478.

The previous prime is 40892477. The next prime is 40892507. The reversal of 40892479 is 97429804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40892479 - 2¹ = 40892477 is a prime.

Together with 40892477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40892471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20446239 + 20446240.

It is an arithmetic number, because the mean of its divisors is an integer number (20446240).

Almost surely, 2^40892479 is an apocalyptic number.

40892479 is a deficient number, since it is larger than the sum of its proper divisors (1).

40892479 is an equidigital number, since it uses as much as digits as its factorization.

40892479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 40892479 is about 6394.7227461400. The cubic root of 40892479 is about 344.5200327076.

The spelling of 40892479 in words is "forty million, eight hundred ninety-two thousand, four hundred seventy-nine".