40523133104 has 80 divisors (see below), whose sum is σ = 83631968640. Its totient is φ = 18955453440.

The previous prime is 40523133097. The next prime is 40523133107. The reversal of 40523133104 is 40133132504.

It is not an unprimeable number, because it can be changed into a prime (40523133107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59330747 + ... + 59331429.

It is an arithmetic number, because the mean of its divisors is an integer number (1045399608).

Almost surely, 2^40523133104 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 40523133104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41815984320).

40523133104 is an abundant number, since it is smaller than the sum of its proper divisors (43108835536).

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

40523133104 is a wasteful number, since it uses less digits than its factorization.

40523133104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 40523133104 its reverse (40133132504), we get a palindrome (80656265608).

The spelling of 40523133104 in words is "forty billion, five hundred twenty-three million, one hundred thirty-three thousand, one hundred four".