40196940 has 48 divisors (see below), whose sum is σ = 128631552. Its totient is φ = 9187776.

The previous prime is 40196921. The next prime is 40196953. The reversal of 40196940 is 4969104.

40196940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47434 + ... + 48273.

It is an arithmetic number, because the mean of its divisors is an integer number (2679824).

Almost surely, 2^40196940 is an apocalyptic number.

It is an amenable number.

40196940 is an abundant number, since it is smaller than the sum of its proper divisors (88434612).

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

40196940 is a wasteful number, since it uses less digits than its factorization.

40196940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95726 (or 95724 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 40196940 is about 6340.1056773527. The cubic root of 40196940 is about 342.5555418121. Note that the first 4 decimals are identical.

The spelling of 40196940 in words is "forty million, one hundred ninety-six thousand, nine hundred forty".