551404242332 has 24 divisors (see below), whose sum is σ = 994698641664. Its totient is φ = 267314275952.

The previous prime is 551404242287. The next prime is 551404242371. The reversal of 551404242332 is 233242404155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 551404242292 and 551404242301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685498 + ... + 13725729.

It is an arithmetic number, because the mean of its divisors is an integer number (41445776736).

Almost surely, 2^551404242332 is an apocalyptic number.

It is an amenable number.

551404242332 is a deficient number, since it is larger than the sum of its proper divisors (443294399332).

551404242332 is a wasteful number, since it uses less digits than its factorization.

551404242332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27411385 (or 27411383 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 551404242332 its reverse (233242404155), we get a palindrome (784646646487).

The spelling of 551404242332 in words is "five hundred fifty-one billion, four hundred four million, two hundred forty-two thousand, three hundred thirty-two".