40667013 has 12 divisors (see below), whose sum is σ = 61295520. Its totient is φ = 25932456.

The previous prime is 40666987. The next prime is 40667023. The reversal of 40667013 is 31076604.

It is not a de Polignac number, because 40667013 - 2⁵ = 40666981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40667023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98023 + ... + 98436.

It is an arithmetic number, because the mean of its divisors is an integer number (5107960).

Almost surely, 2^40667013 is an apocalyptic number.

It is an amenable number.

40667013 is a deficient number, since it is larger than the sum of its proper divisors (20628507).

40667013 is a wasteful number, since it uses less digits than its factorization.

40667013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196488 (or 196485 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40667013 is about 6377.0693112119. The cubic root of 40667013 is about 343.8856800811.

The spelling of 40667013 in words is "forty million, six hundred sixty-seven thousand, thirteen".