40992403 has 2 divisors, whose sum is σ = 40992404. Its totient is φ = 40992402.

The previous prime is 40992401. The next prime is 40992437. The reversal of 40992403 is 30429904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40992403 - 2¹ = 40992401 is a prime.

Together with 40992401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40992401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20496201 + 20496202.

It is an arithmetic number, because the mean of its divisors is an integer number (20496202).

Almost surely, 2^40992403 is an apocalyptic number.

40992403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40992403 is an equidigital number, since it uses as much as digits as its factorization.

40992403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40992403 is about 6402.5309839157. The cubic root of 40992403 is about 344.8004250752.

The spelling of 40992403 in words is "forty million, nine hundred ninety-two thousand, four hundred three".