40523152244 has 6 divisors (see below), whose sum is σ = 70915516434. Its totient is φ = 20261576120.

The previous prime is 40523152237. The next prime is 40523152249. The reversal of 40523152244 is 44225132504.

It can be written as a sum of positive squares in only one way, i.e., 40496732644 + 26419600 = 201238^2 + 5140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40523152244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523152249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065394027 + ... + 5065394034.

It is an arithmetic number, because the mean of its divisors is an integer number (11819252739).

Almost surely, 2^40523152244 is an apocalyptic number.

It is an amenable number.

40523152244 is a deficient number, since it is larger than the sum of its proper divisors (30392364190).

40523152244 is a wasteful number, since it uses less digits than its factorization.

40523152244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130788065 (or 10130788063 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 40523152244 its reverse (44225132504), we get a palindrome (84748284748).

The spelling of 40523152244 in words is "forty billion, five hundred twenty-three million, one hundred fifty-two thousand, two hundred forty-four".