40012240152 has 64 divisors (see below), whose sum is σ = 102959975520. Its totient is φ = 12948415488.

The previous prime is 40012240127. The next prime is 40012240157. The reversal of 40012240152 is 25104221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012240157) 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, 356518 + ... + 455114.

Almost surely, 2^40012240152 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 40012240152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51479987760).

40012240152 is an abundant number, since it is smaller than the sum of its proper divisors (62947735368).

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

40012240152 is a wasteful number, since it uses less digits than its factorization.

40012240152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99100 (or 99096 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 40012240152 its reverse (25104221004), we get a palindrome (65116461156).

The spelling of 40012240152 in words is "forty billion, twelve million, two hundred forty thousand, one hundred fifty-two".