254402105334040 has 32 divisors (see below), whose sum is σ = 597291899482080. Its totient is φ = 97336457692672.

The previous prime is 254402105334037. The next prime is 254402105334053. The reversal of 254402105334040 is 40433501204452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138262012849 + ... + 138262014688.

It is an arithmetic number, because the mean of its divisors is an integer number (18665371858815).

Almost surely, 2^{254402105334040} is an apocalyptic number.

254402105334040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254402105334040 is an abundant number, since it is smaller than the sum of its proper divisors (342889794148040).

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

254402105334040 is a wasteful number, since it uses less digits than its factorization.

254402105334040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276524027571 (or 276524027567 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 254402105334040 its reverse (40433501204452), we get a palindrome (294835606538492).

The spelling of 254402105334040 in words is "two hundred fifty-four trillion, four hundred two billion, one hundred five million, three hundred thirty-four thousand, forty".