40622399 has 8 divisors (see below), whose sum is σ = 42912240. Its totient is φ = 38347776.

The previous prime is 40622363. The next prime is 40622459. The reversal of 40622399 is 99322604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40622399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (5364030).

Almost surely, 2^40622399 is an apocalyptic number.

40622399 is a deficient number, since it is larger than the sum of its proper divisors (2289841).

40622399 is a wasteful number, since it uses less digits than its factorization.

40622399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 40622399 is about 6373.5703494980. The cubic root of 40622399 is about 343.7598800907.

The spelling of 40622399 in words is "forty million, six hundred twenty-two thousand, three hundred ninety-nine".