1556226496 has 56 divisors (see below), whose sum is σ = 3396904560. Its totient is φ = 707336960.

The previous prime is 1556226473. The next prime is 1556226527. The reversal of 1556226496 is 6946226551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76050 + ... + 94318.

It is an arithmetic number, because the mean of its divisors is an integer number (60659010).

Almost surely, 2^1556226496 is an apocalyptic number.

1556226496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1556226496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698452280).

1556226496 is an abundant number, since it is smaller than the sum of its proper divisors (1840678064).

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

1556226496 is an equidigital number, since it uses as much as digits as its factorization.

1556226496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18314 (or 18282 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 1556226496 is about 39449.0366929283. The cubic root of 1556226496 is about 1158.8421105551.

The spelling of 1556226496 in words is "one billion, five hundred fifty-six million, two hundred twenty-six thousand, four hundred ninety-six".