40807794 has 8 divisors (see below), whose sum is σ = 81615600. Its totient is φ = 13602596.

The previous prime is 40807787. The next prime is 40807799. The reversal of 40807794 is 49770804.

It is a sphenic number, since it is the product of 3 distinct primes.

40807794 is an admirable number.

It is a super-2 number, since 2×40807794² = 3330552102292872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40807799) 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, 3400644 + ... + 3400655.

It is an arithmetic number, because the mean of its divisors is an integer number (10201950).

Almost surely, 2^40807794 is an apocalyptic number.

40807794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40807794 is a wasteful number, since it uses less digits than its factorization.

40807794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801304.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40807794 is about 6388.0978389502. The cubic root of 40807794 is about 344.2820440192.

The spelling of 40807794 in words is "forty million, eight hundred seven thousand, seven hundred ninety-four".