40861056 has 64 divisors (see below), whose sum is σ = 109756080. Its totient is φ = 13467648.

The previous prime is 40861049. The next prime is 40861063. The reversal of 40861056 is 65016804.

It is an interprime number because it is at equal distance from previous prime (40861049) and next prime (40861063).

It is a tau number, because it is divible by the number of its divisors (64).

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, 36700 + ... + 37796.

Almost surely, 2^40861056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40861056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54878040).

40861056 is an abundant number, since it is smaller than the sum of its proper divisors (68895024).

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

40861056 is a wasteful number, since it uses less digits than its factorization.

40861056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40861056 is about 6392.2653261579. The cubic root of 40861056 is about 344.4317636061.

The spelling of 40861056 in words is "forty million, eight hundred sixty-one thousand, fifty-six".