40885144 has 8 divisors (see below), whose sum is σ = 76659660. Its totient is φ = 20442568.

The previous prime is 40885133. The next prime is 40885151. The reversal of 40885144 is 44158804.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555314 + ... + 2555329.

Almost surely, 2^40885144 is an apocalyptic number.

It is an amenable number.

40885144 is a deficient number, since it is larger than the sum of its proper divisors (35774516).

40885144 is a wasteful number, since it uses less digits than its factorization.

40885144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110649 (or 5110645 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 40885144 is about 6394.1492006365. The cubic root of 40885144 is about 344.4994322972.

The spelling of 40885144 in words is "forty million, eight hundred eighty-five thousand, one hundred forty-four".