1426561856 has 28 divisors (see below), whose sum is σ = 2873093568. Its totient is φ = 702632832.

The previous prime is 1426561853. The next prime is 1426561859. The reversal of 1426561856 is 6581656241.

It is an interprime number because it is at equal distance from previous prime (1426561853) and next prime (1426561859).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426561853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162056 + ... + 170631.

Almost surely, 2^1426561856 is an apocalyptic number.

1426561856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1426561856 is an abundant number, since it is smaller than the sum of its proper divisors (1446531712).

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

1426561856 is an equidigital number, since it uses as much as digits as its factorization.

1426561856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332766 (or 332756 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 1426561856 is about 37769.8537990287. The cubic root of 1426561856 is about 1125.7195346932.

The spelling of 1426561856 in words is "one billion, four hundred twenty-six million, five hundred sixty-one thousand, eight hundred fifty-six".