40156794 has 24 divisors (see below), whose sum is σ = 89130132. Its totient is φ = 13058880.

The previous prime is 40156783. The next prime is 40156801. The reversal of 40156794 is 49765104.

40156794 is a `hidden beast` number, since 4 + 0 + 1 + 567 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37638225 + 2518569 = 6135^2 + 1587^2 .

It is a super-2 number, since 2×40156794² = 3225136208716872, which contains 22 as substring.

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, 26469 + ... + 27944.

Almost surely, 2^40156794 is an apocalyptic number.

40156794 is an abundant number, since it is smaller than the sum of its proper divisors (48973338).

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

40156794 is a wasteful number, since it uses less digits than its factorization.

40156794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54462 (or 54459 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40156794 is about 6336.9388508964. The cubic root of 40156794 is about 342.4414633475.

The spelling of 40156794 in words is "forty million, one hundred fifty-six thousand, seven hundred ninety-four".