40170936 has 64 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 12279168.

The previous prime is 40170931. The next prime is 40170943. The reversal of 40170936 is 63907104.

It is a happy number.

It is a super-2 number, since 2×40170936² = 3227408198232192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40170931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61765 + ... + 62411.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^40170936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40170936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432000).

40170936 is an abundant number, since it is smaller than the sum of its proper divisors (68693064).

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

40170936 is a wasteful number, since it uses less digits than its factorization.

40170936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 40170936 is about 6338.0545911186. The cubic root of 40170936 is about 342.4816577813.

The spelling of 40170936 in words is "forty million, one hundred seventy thousand, nine hundred thirty-six".