40169396 has 24 divisors (see below), whose sum is σ = 73476480. Its totient is φ = 19196352.

The previous prime is 40169377. The next prime is 40169399. The reversal of 40169396 is 69396104.

It is a super-2 number, since 2×40169396² = 3227160750009632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40169399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5600 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (3061520).

Almost surely, 2^40169396 is an apocalyptic number.

It is an amenable number.

40169396 is a deficient number, since it is larger than the sum of its proper divisors (33307084).

40169396 is a wasteful number, since it uses less digits than its factorization.

40169396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5061 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 40169396 is about 6337.9331015718. The cubic root of 40169396 is about 342.4772812465.

The spelling of 40169396 in words is "forty million, one hundred sixty-nine thousand, three hundred ninety-six".