42026274791855 has 4 divisors (see below), whose sum is σ = 50431529750232. Its totient is φ = 33621019833480.

The previous prime is 42026274791827. The next prime is 42026274791861. The reversal of 42026274791855 is 55819747262024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42026274791855 - 2²² = 42026270597551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202627479181 + ... + 4202627479190.

It is an arithmetic number, because the mean of its divisors is an integer number (12607882437558).

Almost surely, 2^{42026274791855} is an apocalyptic number.

42026274791855 is a deficient number, since it is larger than the sum of its proper divisors (8405254958377).

42026274791855 is an equidigital number, since it uses as much as digits as its factorization.

42026274791855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405254958376.

The product of its (nonzero) digits is 67737600, while the sum is 62.

The spelling of 42026274791855 in words is "forty-two trillion, twenty-six billion, two hundred seventy-four million, seven hundred ninety-one thousand, eight hundred fifty-five".