40322997 has 96 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 19906560.

The previous prime is 40322993. The next prime is 40323001. The reversal of 40322997 is 79922304.

It is an interprime number because it is at equal distance from previous prime (40322993) and next prime (40323001).

It is not a de Polignac number, because 40322997 - 2² = 40322993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322993) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 415653 + ... + 415749.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^40322997 is an apocalyptic number.

It is an amenable number.

40322997 is a deficient number, since it is larger than the sum of its proper divisors (36728523).

40322997 is a wasteful number, since it uses less digits than its factorization.

40322997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40322997 is about 6350.0391337377. The cubic root of 40322997 is about 342.9132511597.

The spelling of 40322997 in words is "forty million, three hundred twenty-two thousand, nine hundred ninety-seven".