551402331422 has 64 divisors (see below), whose sum is σ = 891900979200. Its totient is φ = 254869130880.

The previous prime is 551402331409. The next prime is 551402331433. The reversal of 551402331422 is 224133204155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351883283 + ... + 351884849.

It is an arithmetic number, because the mean of its divisors is an integer number (13935952800).

Almost surely, 2^551402331422 is an apocalyptic number.

551402331422 is a deficient number, since it is larger than the sum of its proper divisors (340498647778).

551402331422 is a wasteful number, since it uses less digits than its factorization.

551402331422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 551402331422 its reverse (224133204155), we get a palindrome (775535535577).

The spelling of 551402331422 in words is "five hundred fifty-one billion, four hundred two million, three hundred thirty-one thousand, four hundred twenty-two".