1326417456 has 360 divisors, whose sum is σ = 4470142464. Its totient is φ = 337559040.

The previous prime is 1326417361. The next prime is 1326417511. The reversal of 1326417456 is 6547146231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18681901 + ... + 18681971.

Almost surely, 2^1326417456 is an apocalyptic number.

1326417456 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 1326417456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235071232).

1326417456 is an abundant number, since it is smaller than the sum of its proper divisors (3143725008).

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

1326417456 is a wasteful number, since it uses less digits than its factorization.

1326417456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 143 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 1326417456 is about 36420.0144975259. The cubic root of 1326417456 is about 1098.7361396106.

The spelling of 1326417456 in words is "one billion, three hundred twenty-six million, four hundred seventeen thousand, four hundred fifty-six".