26240424620 has 48 divisors (see below), whose sum is σ = 58123699200. Its totient is φ = 9923417280.

The previous prime is 26240424599. The next prime is 26240424673. The reversal of 26240424620 is 2642404262.

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, 116261 + ... + 256899.

It is an arithmetic number, because the mean of its divisors is an integer number (1210910400).

Almost surely, 2^26240424620 is an apocalyptic number.

26240424620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26240424620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29061849600).

26240424620 is an abundant number, since it is smaller than the sum of its proper divisors (31883274580).

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

26240424620 is a wasteful number, since it uses less digits than its factorization.

26240424620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141158 (or 141156 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 26240424620 its reverse (2642404262), we get a palindrome (28882828882).

The spelling of 26240424620 in words is "twenty-six billion, two hundred forty million, four hundred twenty-four thousand, six hundred twenty".