40685092 has 36 divisors (see below), whose sum is σ = 83253744. Its totient is φ = 17346000.

The previous prime is 40685083. The next prime is 40685129. The reversal of 40685092 is 29058604.

It is a happy number.

It is a super-2 number, since 2×40685092² = 3310553422096928, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48783 + ... + 49609.

It is an arithmetic number, because the mean of its divisors is an integer number (2312604).

Almost surely, 2^40685092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40685092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41626872).

40685092 is an abundant number, since it is smaller than the sum of its proper divisors (42568652).

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

40685092 is a wasteful number, since it uses less digits than its factorization.

40685092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40685092 is about 6378.4866543719. The cubic root of 40685092 is about 343.9366320090.

The spelling of 40685092 in words is "forty million, six hundred eighty-five thousand, ninety-two".