1426516280 has 128 divisors (see below), whose sum is σ = 3779153280. Its totient is φ = 474439680.

The previous prime is 1426516249. The next prime is 1426516313. The reversal of 1426516280 is 826156241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1426516280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3593042 + ... + 3593438.

It is an arithmetic number, because the mean of its divisors is an integer number (29524635).

Almost surely, 2^1426516280 is an apocalyptic number.

1426516280 is a gapful number since it is divisible by the number (10) 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 1426516280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889576640).

1426516280 is an abundant number, since it is smaller than the sum of its proper divisors (2352637000).

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

1426516280 is a wasteful number, since it uses less digits than its factorization.

1426516280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1426516280 is about 37769.2504558933. The cubic root of 1426516280 is about 1125.7075463498.

The spelling of 1426516280 in words is "one billion, four hundred twenty-six million, five hundred sixteen thousand, two hundred eighty".