3874287155442 has 32 divisors (see below), whose sum is σ = 8453394434304. Its totient is φ = 1173970261200.

The previous prime is 3874287155441. The next prime is 3874287155447. The reversal of 3874287155442 is 2445517824783.

It is not an unprimeable number, because it can be changed into a prime (3874287155441) 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 15 ways as a sum of consecutive naturals, for example, 2784 + ... + 2783627.

It is an arithmetic number, because the mean of its divisors is an integer number (264168576072).

Almost surely, 2^{3874287155442} is an apocalyptic number.

3874287155442 is an abundant number, since it is smaller than the sum of its proper divisors (4579107278862).

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

3874287155442 is a wasteful number, since it uses less digits than its factorization.

3874287155442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807494.

The product of its digits is 60211200, while the sum is 60.

The spelling of 3874287155442 in words is "three trillion, eight hundred seventy-four billion, two hundred eighty-seven million, one hundred fifty-five thousand, four hundred forty-two".