40409706 has 8 divisors (see below), whose sum is σ = 80819424. Its totient is φ = 13469900.

The previous prime is 40409693. The next prime is 40409711. The reversal of 40409706 is 60790404.

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

40409706 is an admirable 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, 3367470 + ... + 3367481.

It is an arithmetic number, because the mean of its divisors is an integer number (10102428).

Almost surely, 2^40409706 is an apocalyptic number.

40409706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40409706 is a wasteful number, since it uses less digits than its factorization.

40409706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734956.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40409706 is about 6356.8629055533. The cubic root of 40409706 is about 343.1588709468.

The spelling of 40409706 in words is "forty million, four hundred nine thousand, seven hundred six".