254077200642 has 16 divisors (see below), whose sum is σ = 518966197632. Its totient is φ = 82890434160.

The previous prime is 254077200631. The next prime is 254077200667. The reversal of 254077200642 is 246002770452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 254077200642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450491209 + ... + 450491772.

It is an arithmetic number, because the mean of its divisors is an integer number (32435387352).

Almost surely, 2^254077200642 is an apocalyptic number.

254077200642 is an abundant number, since it is smaller than the sum of its proper divisors (264888996990).

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

254077200642 is a wasteful number, since it uses less digits than its factorization.

254077200642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900983033.

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 254077200642 in words is "two hundred fifty-four billion, seventy-seven million, two hundred thousand, six hundred forty-two".