40345674 has 16 divisors (see below), whose sum is σ = 80753760. Its totient is φ = 13438160.

The previous prime is 40345661. The next prime is 40345717. The reversal of 40345674 is 47654304.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13072 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (5047110).

Almost surely, 2^40345674 is an apocalyptic number.

40345674 is an abundant number, since it is smaller than the sum of its proper divisors (40408086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40345674 is a wasteful number, since it uses less digits than its factorization.

40345674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 40345674 is about 6351.8244623100. The cubic root of 40345674 is about 342.9775220645.

Adding to 40345674 its reverse (47654304), we get a palindrome (87999978).

The spelling of 40345674 in words is "forty million, three hundred forty-five thousand, six hundred seventy-four".