40797146 has 8 divisors (see below), whose sum is σ = 65903124. Its totient is φ = 18829440.

The previous prime is 40797139. The next prime is 40797149. The reversal of 40797146 is 64179704.

It can be written as a sum of positive squares in 2 ways, for example, as 37957921 + 2839225 = 6161^2 + 1685^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40797149) 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, 784535 + ... + 784586.

Almost surely, 2^40797146 is an apocalyptic number.

40797146 is a deficient number, since it is larger than the sum of its proper divisors (25105978).

40797146 is a wasteful number, since it uses less digits than its factorization.

40797146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569136.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 40797146 is about 6387.2643596457. The cubic root of 40797146 is about 344.2520968470.

The spelling of 40797146 in words is "forty million, seven hundred ninety-seven thousand, one hundred forty-six".