24221144040 has 64 divisors (see below), whose sum is σ = 73583251200. Its totient is φ = 6377210112.

The previous prime is 24221144033. The next prime is 24221144081. The reversal of 24221144040 is 4044112242.

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

It is a self number, because there is not a number n which added to its sum of digits gives 24221144040.

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, 1268007 + ... + 1286966.

It is an arithmetic number, because the mean of its divisors is an integer number (1149738300).

Almost surely, 2^24221144040 is an apocalyptic number.

24221144040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24221144040 is an abundant number, since it is smaller than the sum of its proper divisors (49362107160).

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

24221144040 is a wasteful number, since it uses less digits than its factorization.

24221144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555066 (or 2555062 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 24221144040 its reverse (4044112242), we get a palindrome (28265256282).

The spelling of 24221144040 in words is "twenty-four billion, two hundred twenty-one million, one hundred forty-four thousand, forty".