26401952424 has 16 divisors (see below), whose sum is σ = 66004881120. Its totient is φ = 8800650800.

The previous prime is 26401952407. The next prime is 26401952429. The reversal of 26401952424 is 42425910462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26401952429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550040652 + ... + 550040699.

It is an arithmetic number, because the mean of its divisors is an integer number (4125305070).

Almost surely, 2^26401952424 is an apocalyptic number.

26401952424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26401952424 is an abundant number, since it is smaller than the sum of its proper divisors (39602928696).

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

26401952424 is a wasteful number, since it uses less digits than its factorization.

26401952424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100081360 (or 1100081356 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 26401952424 in words is "twenty-six billion, four hundred one million, nine hundred fifty-two thousand, four hundred twenty-four".