40408246 has 8 divisors (see below), whose sum is σ = 60920640. Its totient is φ = 20101368.

The previous prime is 40408241. The next prime is 40408253. The reversal of 40408246 is 64280404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40408241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50886 + ... + 51673.

It is an arithmetic number, because the mean of its divisors is an integer number (7615080).

Almost surely, 2^40408246 is an apocalyptic number.

40408246 is a deficient number, since it is larger than the sum of its proper divisors (20512394).

40408246 is a wasteful number, since it uses less digits than its factorization.

40408246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102758.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40408246 is about 6356.7480679983. The cubic root of 40408246 is about 343.1547381279.

The spelling of 40408246 in words is "forty million, four hundred eight thousand, two hundred forty-six".