40797436 has 6 divisors (see below), whose sum is σ = 71395520. Its totient is φ = 20398716.

The previous prime is 40797431. The next prime is 40797443. The reversal of 40797436 is 63479704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099676 + ... + 5099683.

Almost surely, 2^40797436 is an apocalyptic number.

It is an amenable number.

40797436 is a deficient number, since it is larger than the sum of its proper divisors (30598084).

40797436 is a wasteful number, since it uses less digits than its factorization.

40797436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199363 (or 10199361 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 40797436 is about 6387.2870610299. The cubic root of 40797436 is about 344.2529125321.

The spelling of 40797436 in words is "forty million, seven hundred ninety-seven thousand, four hundred thirty-six".