26414219988 has 192 divisors, whose sum is σ = 78157900800. Its totient is φ = 7655316480.

The previous prime is 26414219971. The next prime is 26414219989. The reversal of 26414219988 is 88991241462.

It is a happy number.

26414219988 is a `hidden beast` number, since 2 + 6 + 414 + 219 + 9 + 8 + 8 = 666.

It is a super-2 number, since 2×26414219988² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26414219989) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1661445 + ... + 1677267.

It is an arithmetic number, because the mean of its divisors is an integer number (407072400).

Almost surely, 2^26414219988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26414219988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39078950400).

26414219988 is an abundant number, since it is smaller than the sum of its proper divisors (51743680812).

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

26414219988 is a wasteful number, since it uses less digits than its factorization.

26414219988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15919 (or 15911 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 26414219988 in words is "twenty-six billion, four hundred fourteen million, two hundred nineteen thousand, nine hundred eighty-eight".