40857374 has 4 divisors (see below), whose sum is σ = 61286064. Its totient is φ = 20428686.

The previous prime is 40857371. The next prime is 40857379. The reversal of 40857374 is 47375804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40857371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10214342 + ... + 10214345.

It is an arithmetic number, because the mean of its divisors is an integer number (15321516).

Almost surely, 2^40857374 is an apocalyptic number.

40857374 is a deficient number, since it is larger than the sum of its proper divisors (20428690).

40857374 is a wasteful number, since it uses less digits than its factorization.

40857374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428689.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 40857374 is about 6391.9773153540. The cubic root of 40857374 is about 344.4214176845.

The spelling of 40857374 in words is "forty million, eight hundred fifty-seven thousand, three hundred seventy-four".