405003250255 has 8 divisors (see below), whose sum is σ = 497857654224. Its totient is φ = 316100097600.

The previous prime is 405003250247. The next prime is 405003250283. The reversal of 405003250255 is 552052300504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405003250255 - 2³ = 405003250247 is a prime.

It is a super-3 number, since 3×405003250255³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987812601 + ... + 987813010.

It is an arithmetic number, because the mean of its divisors is an integer number (62232206778).

Almost surely, 2^405003250255 is an apocalyptic number.

405003250255 is a deficient number, since it is larger than the sum of its proper divisors (92854403969).

405003250255 is a wasteful number, since it uses less digits than its factorization.

405003250255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975625657.

The product of its (nonzero) digits is 30000, while the sum is 31.

Adding to 405003250255 its reverse (552052300504), we get a palindrome (957055550759).

The spelling of 405003250255 in words is "four hundred five billion, three million, two hundred fifty thousand, two hundred fifty-five".