274523378442 has 16 divisors (see below), whose sum is σ = 581343625152. Its totient is φ = 86124981440.

The previous prime is 274523378431. The next prime is 274523378483. The reversal of 274523378442 is 244873325472.

It is a super-2 number, since 2×274523378442² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345702734 + ... + 1345702937.

It is an arithmetic number, because the mean of its divisors is an integer number (36333976572).

Almost surely, 2^274523378442 is an apocalyptic number.

274523378442 is an abundant number, since it is smaller than the sum of its proper divisors (306820246710).

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

274523378442 is a wasteful number, since it uses less digits than its factorization.

274523378442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691405693.

The product of its digits is 9031680, while the sum is 51.

The spelling of 274523378442 in words is "two hundred seventy-four billion, five hundred twenty-three million, three hundred seventy-eight thousand, four hundred forty-two".