255541002040 has 64 divisors (see below), whose sum is σ = 581302632960. Its totient is φ = 101091594240.

The previous prime is 255541002029. The next prime is 255541002049. The reversal of 255541002040 is 40200145552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255541002049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5685094 + ... + 5729866.

It is an arithmetic number, because the mean of its divisors is an integer number (9082853640).

Almost surely, 2^255541002040 is an apocalyptic number.

255541002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255541002040 is an abundant number, since it is smaller than the sum of its proper divisors (325761630920).

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

255541002040 is a wasteful number, since it uses less digits than its factorization.

255541002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46352 (or 46348 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 255541002040 its reverse (40200145552), we get a palindrome (295741147592).

The spelling of 255541002040 in words is "two hundred fifty-five billion, five hundred forty-one million, two thousand, forty".