40040374 has 16 divisors (see below), whose sum is σ = 65617920. Its totient is φ = 18173160.

The previous prime is 40040293. The next prime is 40040393. The reversal of 40040374 is 47304004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27427 + ... + 28849.

It is an arithmetic number, because the mean of its divisors is an integer number (4101120).

Almost surely, 2^40040374 is an apocalyptic number.

40040374 is a deficient number, since it is larger than the sum of its proper divisors (25577546).

40040374 is a wasteful number, since it uses less digits than its factorization.

40040374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40040374 is about 6327.7463602771. The cubic root of 40040374 is about 342.1102149251.

Adding to 40040374 its reverse (47304004), we get a palindrome (87344378).

The spelling of 40040374 in words is "forty million, forty thousand, three hundred seventy-four".