23442040140 has 48 divisors (see below), whose sum is σ = 66713750880. Its totient is φ = 6148730880.

The previous prime is 23442040081. The next prime is 23442040183. The reversal of 23442040140 is 4104024432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23442040140.

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, 3198805 + ... + 3206124.

It is an arithmetic number, because the mean of its divisors is an integer number (1389869810).

Almost surely, 2^23442040140 is an apocalyptic number.

23442040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23442040140 is an abundant number, since it is smaller than the sum of its proper divisors (43271710740).

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

23442040140 is a wasteful number, since it uses less digits than its factorization.

23442040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405002 (or 6405000 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23442040140 its reverse (4104024432), we get a palindrome (27546064572).

The spelling of 23442040140 in words is "twenty-three billion, four hundred forty-two million, forty thousand, one hundred forty".