40196874 has 32 divisors (see below), whose sum is σ = 87431616. Its totient is φ = 12268800.

The previous prime is 40196861. The next prime is 40196879. The reversal of 40196874 is 47869104.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40196879) 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, 1552 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (2732238).

Almost surely, 2^40196874 is an apocalyptic number.

40196874 is an abundant number, since it is smaller than the sum of its proper divisors (47234742).

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

40196874 is a wasteful number, since it uses less digits than its factorization.

40196874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40196874 is about 6340.1004723900. The cubic root of 40196874 is about 342.5553543296. Note that the first 3 decimals are identical.

The spelling of 40196874 in words is "forty million, one hundred ninety-six thousand, eight hundred seventy-four".