40052422452 has 96 divisors (see below), whose sum is σ = 108983750400. Its totient is φ = 11210913792.

The previous prime is 40052422451. The next prime is 40052422463. The reversal of 40052422452 is 25422425004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40052422451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3150124 + ... + 3162812.

It is an arithmetic number, because the mean of its divisors is an integer number (1135247400).

Almost surely, 2^40052422452 is an apocalyptic number.

40052422452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40052422452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54491875200).

40052422452 is an abundant number, since it is smaller than the sum of its proper divisors (68931327948).

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

40052422452 is a wasteful number, since it uses less digits than its factorization.

40052422452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13465 (or 13463 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 40052422452 its reverse (25422425004), we get a palindrome (65474847456).

The spelling of 40052422452 in words is "forty billion, fifty-two million, four hundred twenty-two thousand, four hundred fifty-two".