40240340232 has 32 divisors (see below), whose sum is σ = 100781496000. Its totient is φ = 13389360704.

The previous prime is 40240340227. The next prime is 40240340237. The reversal of 40240340232 is 23204304204.

It is an interprime number because it is at equal distance from previous prime (40240340227) and next prime (40240340237).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40240340237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491732 + ... + 1518467.

It is an arithmetic number, because the mean of its divisors is an integer number (3149421750).

Almost surely, 2^40240340232 is an apocalyptic number.

It is an amenable number.

40240340232 is an abundant number, since it is smaller than the sum of its proper divisors (60541155768).

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

40240340232 is a wasteful number, since it uses less digits than its factorization.

40240340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010765 (or 3010761 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 40240340232 its reverse (23204304204), we get a palindrome (63444644436).

The spelling of 40240340232 in words is "forty billion, two hundred forty million, three hundred forty thousand, two hundred thirty-two".