40023874 has 16 divisors (see below), whose sum is σ = 65598336. Its totient is φ = 18163600.

The previous prime is 40023871. The next prime is 40023901. The reversal of 40023874 is 47832004.

It is not an unprimeable number, because it can be changed into a prime (40023871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19044 + ... + 21040.

It is an arithmetic number, because the mean of its divisors is an integer number (4099896).

Almost surely, 2^40023874 is an apocalyptic number.

40023874 is a deficient number, since it is larger than the sum of its proper divisors (25574462).

40023874 is a wasteful number, since it uses less digits than its factorization.

40023874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40023874 is about 6326.4424442178. The cubic root of 40023874 is about 342.0632157462.

Adding to 40023874 its reverse (47832004), we get a palindrome (87855878).

The spelling of 40023874 in words is "forty million, twenty-three thousand, eight hundred seventy-four".