254540434036 has 48 divisors (see below), whose sum is σ = 539562038400. Its totient is φ = 102569822208.

The previous prime is 254540434013. The next prime is 254540434079. The reversal of 254540434036 is 630434045452.

It is a self number, because there is not a number n which added to its sum of digits gives 254540434036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215295 + ... + 745273.

It is an arithmetic number, because the mean of its divisors is an integer number (11240875800).

Almost surely, 2^254540434036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254540434036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269781019200).

254540434036 is an abundant number, since it is smaller than the sum of its proper divisors (285021604364).

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

254540434036 is a wasteful number, since it uses less digits than its factorization.

254540434036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531016 (or 531014 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 254540434036 its reverse (630434045452), we get a palindrome (884974479488).

The spelling of 254540434036 in words is "two hundred fifty-four billion, five hundred forty million, four hundred thirty-four thousand, thirty-six".