40373013 has 8 divisors (see below), whose sum is σ = 54353728. Its totient is φ = 26653824.

The previous prime is 40372999. The next prime is 40373023. The reversal of 40373013 is 31037304.

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

It is not a de Polignac number, because 40373013 - 2⁶ = 40372949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40373023) 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, 65020 + ... + 65637.

It is an arithmetic number, because the mean of its divisors is an integer number (6794216).

Almost surely, 2^40373013 is an apocalyptic number.

It is an amenable number.

40373013 is a deficient number, since it is larger than the sum of its proper divisors (13980715).

40373013 is a wasteful number, since it uses less digits than its factorization.

40373013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130763.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 40373013 is about 6353.9761567069. The cubic root of 40373013 is about 343.0549739481.

It can be divided in two parts, 4037301 and 3, that added together give a palindrome (4037304).

The spelling of 40373013 in words is "forty million, three hundred seventy-three thousand, thirteen".