26421400104 has 64 divisors (see below), whose sum is σ = 72092160000. Its totient is φ = 8002729920.

The previous prime is 26421400067. The next prime is 26421400123. The reversal of 26421400104 is 40100412462.

It is a happy number.

It is a super-3 number, since 3×26421400104³ (a number of 32 digits) contains 333 as substring.

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

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, 568747 + ... + 613445.

It is an arithmetic number, because the mean of its divisors is an integer number (1126440000).

Almost surely, 2^26421400104 is an apocalyptic number.

26421400104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26421400104 is an abundant number, since it is smaller than the sum of its proper divisors (45670759896).

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

26421400104 is a wasteful number, since it uses less digits than its factorization.

26421400104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46958 (or 46954 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 26421400104 its reverse (40100412462), we get a palindrome (66521812566).

The spelling of 26421400104 in words is "twenty-six billion, four hundred twenty-one million, four hundred thousand, one hundred four".