40232143140 has 192 divisors, whose sum is σ = 132511002624. Its totient is φ = 8927857152.

The previous prime is 40232143121. The next prime is 40232143219. The reversal of 40232143140 is 4134123204.

It is a self number, because there is not a number n which added to its sum of digits gives 40232143140.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7814047 + ... + 7819193.

It is an arithmetic number, because the mean of its divisors is an integer number (690161472).

Almost surely, 2^40232143140 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 40232143140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66255501312).

40232143140 is an abundant number, since it is smaller than the sum of its proper divisors (92278859484).

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

40232143140 is a wasteful number, since it uses less digits than its factorization.

40232143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40232143140 its reverse (4134123204), we get a palindrome (44366266344).

The spelling of 40232143140 in words is "forty billion, two hundred thirty-two million, one hundred forty-three thousand, one hundred forty".