24778368460 has 24 divisors (see below), whose sum is σ = 52040404080. Its totient is φ = 9910236864.

The previous prime is 24778368437. The next prime is 24778368469. The reversal of 24778368460 is 6486387742.

It is a super-2 number, since 2×24778368460² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24778368469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127126 + ... + 256354.

It is an arithmetic number, because the mean of its divisors is an integer number (2168350170).

Almost surely, 2^24778368460 is an apocalyptic number.

24778368460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24778368460 is an abundant number, since it is smaller than the sum of its proper divisors (27262035620).

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

24778368460 is a wasteful number, since it uses less digits than its factorization.

24778368460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138825 (or 138823 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 24778368460 in words is "twenty-four billion, seven hundred seventy-eight million, three hundred sixty-eight thousand, four hundred sixty".