40163396 has 24 divisors (see below), whose sum is σ = 86506560. Its totient is φ = 15888672.

The previous prime is 40163393. The next prime is 40163407. The reversal of 40163396 is 69336104.

It is a happy number.

It is a super-2 number, since 2×40163396² = 3226196756505632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40163393) 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, 54806 + ... + 55533.

It is an arithmetic number, because the mean of its divisors is an integer number (3604440).

Almost surely, 2^40163396 is an apocalyptic number.

It is an amenable number.

40163396 is an abundant number, since it is smaller than the sum of its proper divisors (46343164).

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

40163396 is a wasteful number, since it uses less digits than its factorization.

40163396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110363 (or 110361 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 40163396 is about 6337.4597434619. The cubic root of 40163396 is about 342.4602287454.

The spelling of 40163396 in words is "forty million, one hundred sixty-three thousand, three hundred ninety-six".