40900039 has 8 divisors (see below), whose sum is σ = 42066000. Its totient is φ = 39749952.

The previous prime is 40900033. The next prime is 40900061. The reversal of 40900039 is 93000904.

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

It is not a de Polignac number, because 40900039 - 2⁵ = 40900007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40899986 and 40900022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40900033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357 + ... + 9145.

It is an arithmetic number, because the mean of its divisors is an integer number (5258250).

Almost surely, 2^40900039 is an apocalyptic number.

40900039 is a deficient number, since it is larger than the sum of its proper divisors (1165961).

40900039 is an equidigital number, since it uses as much as digits as its factorization.

40900039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 40900039 is about 6395.3138312361. The cubic root of 40900039 is about 344.5412624547.

The spelling of 40900039 in words is "forty million, nine hundred thousand, thirty-nine".