42148818774 has 48 divisors (see below), whose sum is σ = 97913516400. Its totient is φ = 13438744704.

The previous prime is 42148818769. The next prime is 42148818779. The reversal of 42148818774 is 47781884124.

It is an interprime number because it is at equal distance from previous prime (42148818769) and next prime (42148818779).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42148818774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42148818779) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 709179 + ... + 766310.

It is an arithmetic number, because the mean of its divisors is an integer number (2039864925).

Almost surely, 2^42148818774 is an apocalyptic number.

42148818774 is an abundant number, since it is smaller than the sum of its proper divisors (55764697626).

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

42148818774 is a wasteful number, since it uses less digits than its factorization.

42148818774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475546 (or 1475517 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The spelling of 42148818774 in words is "forty-two billion, one hundred forty-eight million, eight hundred eighteen thousand, seven hundred seventy-four".