26462778102 has 24 divisors (see below), whose sum is σ = 60708726936. Its totient is φ = 8302047936.

The previous prime is 26462778091. The next prime is 26462778127. The reversal of 26462778102 is 20187726462.

It is a happy number.

26462778102 is a `hidden beast` number, since 2 + 6 + 4 + 627 + 7 + 8 + 10 + 2 = 666.

It is a super-4 number, since 4×26462778102⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43239528 + ... + 43240139.

It is an arithmetic number, because the mean of its divisors is an integer number (2529530289).

Almost surely, 2^26462778102 is an apocalyptic number.

26462778102 is an abundant number, since it is smaller than the sum of its proper divisors (34245948834).

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

26462778102 is a wasteful number, since it uses less digits than its factorization.

26462778102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86479692 (or 86479689 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 26462778102 in words is "twenty-six billion, four hundred sixty-two million, seven hundred seventy-eight thousand, one hundred two".