426615563440450 has 24 divisors (see below), whose sum is σ = 793546535903940. Its totient is φ = 170637281740800.

The previous prime is 426615563440379. The next prime is 426615563440471. The reversal of 426615563440450 is 54044365516624.

It can be written as a sum of positive squares in 6 ways, for example, as 23907435167529 + 402708128272921 = 4889523^2 + 20067589^2 .

It is a super-2 number, since 2×426615563440450² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426615563440391 and 426615563440400.

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 11 ways as a sum of consecutive naturals, for example, 222627295 + ... + 224535394.

Almost surely, 2^{426615563440450} is an apocalyptic number.

426615563440450 is a deficient number, since it is larger than the sum of its proper divisors (366930972463490).

426615563440450 is a wasteful number, since it uses less digits than its factorization.

426615563440450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447181782 (or 447181777 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 55.

The spelling of 426615563440450 in words is "four hundred twenty-six trillion, six hundred fifteen billion, five hundred sixty-three million, four hundred forty thousand, four hundred fifty".