40931196 has 12 divisors (see below), whose sum is σ = 95506152. Its totient is φ = 13643728.

The previous prime is 40931179. The next prime is 40931197. The reversal of 40931196 is 69113904.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40931197) 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, 1705455 + ... + 1705478.

It is an arithmetic number, because the mean of its divisors is an integer number (7958846).

Almost surely, 2^40931196 is an apocalyptic number.

It is an amenable number.

40931196 is an abundant number, since it is smaller than the sum of its proper divisors (54574956).

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

40931196 is a wasteful number, since it uses less digits than its factorization.

40931196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410940 (or 3410938 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 40931196 is about 6397.7492917432. The cubic root of 40931196 is about 344.6287289351.

The spelling of 40931196 in words is "forty million, nine hundred thirty-one thousand, one hundred ninety-six".