634440531462622 has 16 divisors (see below), whose sum is σ = 961091128199952. Its totient is φ = 314076874003200.

The previous prime is 634440531462593. The next prime is 634440531462623. The reversal of 634440531462622 is 226264135044436.

It is a super-2 number, since 2×634440531462622² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 634440531462622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634440531462623) by changing a digit.

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, 11620078 + ... + 37468750.

It is an arithmetic number, because the mean of its divisors is an integer number (60068195512497).

Almost surely, 2^{634440531462622} is an apocalyptic number.

634440531462622 is a deficient number, since it is larger than the sum of its proper divisors (326650596737330).

634440531462622 is a wasteful number, since it uses less digits than its factorization.

634440531462622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25970283.

The product of its (nonzero) digits is 19906560, while the sum is 52.

The spelling of 634440531462622 in words is "six hundred thirty-four trillion, four hundred forty billion, five hundred thirty-one million, four hundred sixty-two thousand, six hundred twenty-two".