40254845 has 16 divisors (see below), whose sum is σ = 49244160. Its totient is φ = 31584384.

The previous prime is 40254821. The next prime is 40254857. The reversal of 40254845 is 54845204.

It is a cyclic number.

It is not a de Polignac number, because 40254845 - 2¹⁴ = 40238461 is a prime.

It is a congruent number.

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, 87857 + ... + 88313.

It is an arithmetic number, because the mean of its divisors is an integer number (3077760).

Almost surely, 2^40254845 is an apocalyptic number.

It is an amenable number.

40254845 is a deficient number, since it is larger than the sum of its proper divisors (8989315).

40254845 is a wasteful number, since it uses less digits than its factorization.

40254845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 40254845 is about 6344.6705982265. The cubic root of 40254845 is about 342.7199503601.

The spelling of 40254845 in words is "forty million, two hundred fifty-four thousand, eight hundred forty-five".