40423474 has 16 divisors (see below), whose sum is σ = 74628288. Its totient is φ = 15991632.

The previous prime is 40423459. The next prime is 40423517. The reversal of 40423474 is 47432404.

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, 110872 + ... + 111235.

It is an arithmetic number, because the mean of its divisors is an integer number (4664268).

Almost surely, 2^40423474 is an apocalyptic number.

40423474 is a deficient number, since it is larger than the sum of its proper divisors (34204814).

40423474 is a wasteful number, since it uses less digits than its factorization.

40423474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222129.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 40423474 is about 6357.9457374218. The cubic root of 40423474 is about 343.1978391001.

Adding to 40423474 its reverse (47432404), we get a palindrome (87855878).

The spelling of 40423474 in words is "forty million, four hundred twenty-three thousand, four hundred seventy-four".