40111244532 has 18 divisors (see below), whose sum is σ = 101392312658. Its totient is φ = 13370414832.

The previous prime is 40111244501. The next prime is 40111244539. The reversal of 40111244532 is 23544211104.

40111244532 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 124 + 4 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22646036196 + 17465208336 = 150486^2 + 132156^2 .

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40111244496 and 40111244505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111244539) 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, 557100583 + ... + 557100654.

Almost surely, 2^40111244532 is an apocalyptic number.

It is an amenable number.

40111244532 is an abundant number, since it is smaller than the sum of its proper divisors (61281068126).

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

40111244532 is a wasteful number, since it uses less digits than its factorization.

40111244532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114201247 (or 1114201242 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 40111244532 its reverse (23544211104), we get a palindrome (63655455636).

The spelling of 40111244532 in words is "forty billion, one hundred eleven million, two hundred forty-four thousand, five hundred thirty-two".