40455055 has 8 divisors (see below), whose sum is σ = 48654144. Its totient is φ = 32292000.

The previous prime is 40455013. The next prime is 40455071. The reversal of 40455055 is 55055404.

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

It is a de Polignac number, because none of the positive numbers 2^k-40455055 is a prime.

It is a super-2 number, since 2×40455055² = 3273222950106050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6471 + ... + 11080.

It is an arithmetic number, because the mean of its divisors is an integer number (6081768).

Almost surely, 2^40455055 is an apocalyptic number.

40455055 is a deficient number, since it is larger than the sum of its proper divisors (8199089).

40455055 is a wasteful number, since it uses less digits than its factorization.

40455055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18017.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 40455055 is about 6360.4288377436. The cubic root of 40455055 is about 343.2871907281.

The spelling of 40455055 in words is "forty million, four hundred fifty-five thousand, fifty-five".