40256052 has 12 divisors (see below), whose sum is σ = 93930816. Its totient is φ = 13418680.

The previous prime is 40256039. The next prime is 40256053. The reversal of 40256052 is 25065204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40256053) 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, 1677324 + ... + 1677347.

It is an arithmetic number, because the mean of its divisors is an integer number (7827568).

Almost surely, 2^40256052 is an apocalyptic number.

It is an amenable number.

40256052 is an abundant number, since it is smaller than the sum of its proper divisors (53674764).

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

40256052 is a wasteful number, since it uses less digits than its factorization.

40256052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354678 (or 3354676 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40256052 is about 6344.7657167148. The cubic root of 40256052 is about 342.7233756939.

The spelling of 40256052 in words is "forty million, two hundred fifty-six thousand, fifty-two".