40346013 has 8 divisors (see below), whose sum is σ = 53967808. Its totient is φ = 26810784.

The previous prime is 40345999. The next prime is 40346039. The reversal of 40346013 is 31064304.

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

It is not a de Polignac number, because 40346013 - 2²⁰ = 39297437 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 (40346093) 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, 20545 + ... + 22422.

It is an arithmetic number, because the mean of its divisors is an integer number (6745976).

Almost surely, 2^40346013 is an apocalyptic number.

It is an amenable number.

40346013 is a deficient number, since it is larger than the sum of its proper divisors (13621795).

40346013 is a wasteful number, since it uses less digits than its factorization.

40346013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43283.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40346013 is about 6351.8511475002. The cubic root of 40346013 is about 342.9784826719.

The spelling of 40346013 in words is "forty million, three hundred forty-six thousand, thirteen".