254402141140022 has 48 divisors (see below), whose sum is σ = 419442155022960. Its totient is φ = 115564800701952.

The previous prime is 254402141140019. The next prime is 254402141140061. The reversal of 254402141140022 is 220041141204452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74033933 + ... + 77393975.

It is an arithmetic number, because the mean of its divisors is an integer number (8738378229645).

Almost surely, 2^{254402141140022} is an apocalyptic number.

254402141140022 is a deficient number, since it is larger than the sum of its proper divisors (165040013882938).

254402141140022 is a wasteful number, since it uses less digits than its factorization.

254402141140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364625 (or 3364608 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 254402141140022 its reverse (220041141204452), we get a palindrome (474443282344474).

The spelling of 254402141140022 in words is "two hundred fifty-four trillion, four hundred two billion, one hundred forty-one million, one hundred forty thousand, twenty-two".