40197874 has 8 divisors (see below), whose sum is σ = 60757488. Its totient is φ = 19945380.

The previous prime is 40197811. The next prime is 40197881. The reversal of 40197874 is 47879104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76452 + ... + 76975.

It is an arithmetic number, because the mean of its divisors is an integer number (7594686).

Almost surely, 2^40197874 is an apocalyptic number.

40197874 is a deficient number, since it is larger than the sum of its proper divisors (20559614).

40197874 is a wasteful number, since it uses less digits than its factorization.

40197874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153560.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 40197874 is about 6340.1793350031. The cubic root of 40197874 is about 342.5581949527.

The spelling of 40197874 in words is "forty million, one hundred ninety-seven thousand, eight hundred seventy-four".