40342113 has 24 divisors (see below), whose sum is σ = 67253888. Its totient is φ = 22825152.

The previous prime is 40342091. The next prime is 40342117. The reversal of 40342113 is 31124304.

It is not a de Polignac number, because 40342113 - 2¹² = 40338017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40342117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3381 + ... + 9597.

Almost surely, 2^40342113 is an apocalyptic number.

It is an amenable number.

40342113 is a deficient number, since it is larger than the sum of its proper divisors (26911775).

40342113 is a wasteful number, since it uses less digits than its factorization.

40342113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333 (or 6330 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40342113 is about 6351.5441429624. The cubic root of 40342113 is about 342.9674311116.

Adding to 40342113 its reverse (31124304), we get a palindrome (71466417).

The spelling of 40342113 in words is "forty million, three hundred forty-two thousand, one hundred thirteen".