40892013 has 16 divisors (see below), whose sum is σ = 60926400. Its totient is φ = 27105840.

The previous prime is 40891997. The next prime is 40892017. The reversal of 40892013 is 31029804.

It is not a de Polignac number, because 40892013 - 2⁴ = 40891997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40892017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (3807900).

Almost surely, 2^40892013 is an apocalyptic number.

It is an amenable number.

40892013 is a deficient number, since it is larger than the sum of its proper divisors (20034387).

40892013 is a wasteful number, since it uses less digits than its factorization.

40892013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40892013 is about 6394.6863097419. The cubic root of 40892013 is about 344.5187240159.

The spelling of 40892013 in words is "forty million, eight hundred ninety-two thousand, thirteen".