24400302140 has 12 divisors (see below), whose sum is σ = 51240634536. Its totient is φ = 9760120848.

The previous prime is 24400302139. The next prime is 24400302163. The reversal of 24400302140 is 4120300442.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1220015107 = 24400302140 / (2 + 4 + 4 + 0 + 0 + 3 + 0 + 2 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610007534 + ... + 610007573.

It is an arithmetic number, because the mean of its divisors is an integer number (4270052878).

Almost surely, 2^24400302140 is an apocalyptic number.

24400302140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24400302140 is an abundant number, since it is smaller than the sum of its proper divisors (26840332396).

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

24400302140 is a wasteful number, since it uses less digits than its factorization.

24400302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220015116 (or 1220015114 counting only the distinct ones).

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

Adding to 24400302140 its reverse (4120300442), we get a palindrome (28520602582).

It can be divided in two parts, 24400302 and 140, that added together give a palindrome (24400442).

The spelling of 24400302140 in words is "twenty-four billion, four hundred million, three hundred two thousand, one hundred forty".