40255044 has 12 divisors (see below), whose sum is σ = 93928464. Its totient is φ = 13418344.

The previous prime is 40255027. The next prime is 40255049. The reversal of 40255044 is 44055204.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40255049) 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, 1677282 + ... + 1677305.

It is an arithmetic number, because the mean of its divisors is an integer number (7827372).

Almost surely, 2^40255044 is an apocalyptic number.

It is an amenable number.

40255044 is an abundant number, since it is smaller than the sum of its proper divisors (53673420).

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

40255044 is a wasteful number, since it uses less digits than its factorization.

40255044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354594 (or 3354592 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40255044 is about 6344.6862806604. The cubic root of 40255044 is about 342.7205151051.

The spelling of 40255044 in words is "forty million, two hundred fifty-five thousand, forty-four".