40051056 has 40 divisors (see below), whose sum is σ = 104120320. Its totient is φ = 13265856.

The previous prime is 40051021. The next prime is 40051061. The reversal of 40051056 is 65015004.

It is a happy 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, 5265 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (2603008).

Almost surely, 2^40051056 is an apocalyptic number.

It is an amenable number.

40051056 is an abundant number, since it is smaller than the sum of its proper divisors (64069264).

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

40051056 is a wasteful number, since it uses less digits than its factorization.

40051056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40051056 is about 6328.5903643703. The cubic root of 40051056 is about 342.1406350238.

The spelling of 40051056 in words is "forty million, fifty-one thousand, fifty-six".