254040242225388 has 24 divisors (see below), whose sum is σ = 600880572937008. Its totient is φ = 83520079635456.

The previous prime is 254040242225387. The next prime is 254040242225411. The reversal of 254040242225388 is 883522242040452.

It is a self number, because there is not a number n which added to its sum of digits gives 254040242225388.

It is not an unprimeable number, because it can be changed into a prime (254040242225381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145000137381 + ... + 145000139132.

It is an arithmetic number, because the mean of its divisors is an integer number (25036690539042).

Almost surely, 2^{254040242225388} is an apocalyptic number.

It is an amenable number.

254040242225388 is an abundant number, since it is smaller than the sum of its proper divisors (346840330711620).

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

254040242225388 is a wasteful number, since it uses less digits than its factorization.

254040242225388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290000276593 (or 290000276591 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 51.

The spelling of 254040242225388 in words is "two hundred fifty-four trillion, forty billion, two hundred forty-two million, two hundred twenty-five thousand, three hundred eighty-eight".