1426551404556 has 24 divisors (see below), whose sum is σ = 3328639660864. Its totient is φ = 475514318160.

The previous prime is 1426551404503. The next prime is 1426551404557. The reversal of 1426551404556 is 6554041556241.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1426551404557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3157551 + ... + 3580953.

Almost surely, 2^{1426551404556} is an apocalyptic number.

It is an amenable number.

1426551404556 is an abundant number, since it is smaller than the sum of its proper divisors (1902088256308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1426551404556 is a wasteful number, since it uses less digits than its factorization.

1426551404556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704181 (or 704179 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 1426551404556 in words is "one trillion, four hundred twenty-six billion, five hundred fifty-one million, four hundred four thousand, five hundred fifty-six".