274427651442 has 128 divisors (see below), whose sum is σ = 671358191616. Its totient is φ = 72998065152.

The previous prime is 274427651363. The next prime is 274427651453. The reversal of 274427651442 is 244156724472.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 274427651391 and 274427651400.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60886953 + ... + 60891459.

It is an arithmetic number, because the mean of its divisors is an integer number (5244985872).

Almost surely, 2^274427651442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274427651442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335679095808).

274427651442 is an abundant number, since it is smaller than the sum of its proper divisors (396930540174).

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

274427651442 is a wasteful number, since it uses less digits than its factorization.

274427651442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440.

The product of its digits is 3010560, while the sum is 48.

The spelling of 274427651442 in words is "two hundred seventy-four billion, four hundred twenty-seven million, six hundred fifty-one thousand, four hundred forty-two".