40196872 has 16 divisors (see below), whose sum is σ = 75685500. Its totient is φ = 20014080.

The previous prime is 40196861. The next prime is 40196879. The reversal of 40196872 is 27869104.

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 5692996 = 5874^2 + 2386^2 .

It is not an unprimeable number, because it can be changed into a prime (40196879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8497 + ... + 12352.

Almost surely, 2^40196872 is an apocalyptic number.

It is an amenable number.

40196872 is a deficient number, since it is larger than the sum of its proper divisors (35488628).

40196872 is a wasteful number, since it uses less digits than its factorization.

40196872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21096 (or 21092 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 40196872 is about 6340.1003146638. The cubic root of 40196872 is about 342.5553486483. Note that the first 3 decimals are identical.

The spelling of 40196872 in words is "forty million, one hundred ninety-six thousand, eight hundred seventy-two".