40455506 has 32 divisors (see below), whose sum is σ = 75129600. Its totient is φ = 15909696.

The previous prime is 40455497. The next prime is 40455517. The reversal of 40455506 is 60555404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35660 + ... + 36776.

It is an arithmetic number, because the mean of its divisors is an integer number (2347800).

Almost surely, 2^40455506 is an apocalyptic number.

40455506 is a deficient number, since it is larger than the sum of its proper divisors (34674094).

40455506 is a wasteful number, since it uses less digits than its factorization.

40455506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 40455506 is about 6360.4642912291. The cubic root of 40455506 is about 343.2884663985.

The spelling of 40455506 in words is "forty million, four hundred fifty-five thousand, five hundred six".