40415474 has 8 divisors (see below), whose sum is σ = 66134448. Its totient is φ = 18370660.

The previous prime is 40415461. The next prime is 40415491. The reversal of 40415474 is 47451404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918512 + ... + 918555.

It is an arithmetic number, because the mean of its divisors is an integer number (8266806).

Almost surely, 2^40415474 is an apocalyptic number.

40415474 is a deficient number, since it is larger than the sum of its proper divisors (25718974).

40415474 is a wasteful number, since it uses less digits than its factorization.

40415474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837080.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 40415474 is about 6357.3165722654. The cubic root of 40415474 is about 343.1751974386.

Adding to 40415474 its reverse (47451404), we get a palindrome (87866878).

It can be divided in two parts, 40 and 415474, that added together give a palindrome (415514).

The spelling of 40415474 in words is "forty million, four hundred fifteen thousand, four hundred seventy-four".