40231202240 has 112 divisors (see below), whose sum is σ = 97726390272. Its totient is φ = 15772087296.

The previous prime is 40231202213. The next prime is 40231202257. The reversal of 40231202240 is 4220213204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3367157 + ... + 3379083.

It is an arithmetic number, because the mean of its divisors is an integer number (872557056).

Almost surely, 2^40231202240 is an apocalyptic number.

40231202240 is a gapful number since it is divisible by the number (40) 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 40231202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48863195136).

40231202240 is an abundant number, since it is smaller than the sum of its proper divisors (57495188032).

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

40231202240 is a wasteful number, since it uses less digits than its factorization.

40231202240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12154 (or 12144 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40231202240 its reverse (4220213204), we get a palindrome (44451415444).

The spelling of 40231202240 in words is "forty billion, two hundred thirty-one million, two hundred two thousand, two hundred forty".