254532641340 has 48 divisors (see below), whose sum is σ = 743677982208. Its totient is φ = 64924267584.

The previous prime is 254532641329. The next prime is 254532641359. The reversal of 254532641340 is 43146235452.

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, 92220592 + ... + 92223351.

It is an arithmetic number, because the mean of its divisors is an integer number (15493291296).

Almost surely, 2^254532641340 is an apocalyptic number.

254532641340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254532641340 is an abundant number, since it is smaller than the sum of its proper divisors (489145340868).

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

254532641340 is a wasteful number, since it uses less digits than its factorization.

254532641340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184443978 (or 184443976 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 254532641340 its reverse (43146235452), we get a palindrome (297678876792).

The spelling of 254532641340 in words is "two hundred fifty-four billion, five hundred thirty-two million, six hundred forty-one thousand, three hundred forty".