40000692 has 12 divisors (see below), whose sum is σ = 93334976. Its totient is φ = 13333560.

The previous prime is 40000691. The next prime is 40000717. The reversal of 40000692 is 29600004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666684 + ... + 1666707.

Almost surely, 2^40000692 is an apocalyptic number.

It is an amenable number.

40000692 is an abundant number, since it is smaller than the sum of its proper divisors (53334284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40000692 is a wasteful number, since it uses less digits than its factorization.

40000692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333398 (or 3333396 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40000692 is about 6324.6100275037. The cubic root of 40000692 is about 341.9971614962.

Adding to 40000692 its reverse (29600004), we get a palindrome (69600696).

The spelling of 40000692 in words is "forty million, six hundred ninety-two", and thus it is an aban number.