26761556142 has 40 divisors (see below), whose sum is σ = 59999265216. Its totient is φ = 8915527008.

The previous prime is 26761556131. The next prime is 26761556161. The reversal of 26761556142 is 24165516762.

26761556142 is a `hidden beast` number, since 2 + 6 + 76 + 15 + 561 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 250018 + ... + 340634.

Almost surely, 2^26761556142 is an apocalyptic number.

26761556142 is an abundant number, since it is smaller than the sum of its proper divisors (33237709074).

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

26761556142 is a wasteful number, since it uses less digits than its factorization.

26761556142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92454 (or 92445 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 26761556142 in words is "twenty-six billion, seven hundred sixty-one million, five hundred fifty-six thousand, one hundred forty-two".