254421155152422 has 160 divisors (see below), whose sum is σ = 595882432141920. Its totient is φ = 81031400110080.

The previous prime is 254421155152421. The next prime is 254421155152433. The reversal of 254421155152422 is 224251551124452.

254421155152422 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 2 + 1 + 1 + 551 + 52 + 42 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254421155152421) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8183097097 + ... + 8183128187.

It is an arithmetic number, because the mean of its divisors is an integer number (3724265200887).

Almost surely, 2^{254421155152422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254421155152422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297941216070960).

254421155152422 is an abundant number, since it is smaller than the sum of its proper divisors (341461276989498).

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

254421155152422 is a wasteful number, since it uses less digits than its factorization.

254421155152422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49188 (or 49179 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 45.

The spelling of 254421155152422 in words is "two hundred fifty-four trillion, four hundred twenty-one billion, one hundred fifty-five million, one hundred fifty-two thousand, four hundred twenty-two".