40861052244 has 18 divisors (see below), whose sum is σ = 103287659930. Its totient is φ = 13620350736.

The previous prime is 40861052191. The next prime is 40861052249. The reversal of 40861052244 is 44225016804.

40861052244 is a `hidden beast` number, since 4 + 0 + 86 + 10 + 522 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21833608644 + 19027443600 = 147762^2 + 137940^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1135029229 = 40861052244 / (4 + 0 + 8 + 6 + 1 + 0 + 5 + 2 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 40861052199 and 40861052208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40861052249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567514579 + ... + 567514650.

Almost surely, 2^40861052244 is an apocalyptic number.

It is an amenable number.

40861052244 is an abundant number, since it is smaller than the sum of its proper divisors (62426607686).

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

40861052244 is a wasteful number, since it uses less digits than its factorization.

40861052244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135029239 (or 1135029234 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 40861052244 in words is "forty billion, eight hundred sixty-one million, fifty-two thousand, two hundred forty-four".