1426306520 has 32 divisors (see below), whose sum is σ = 3234470400. Its totient is φ = 566028288.

The previous prime is 1426306499. The next prime is 1426306537. The reversal of 1426306520 is 256036241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135305 + ... + 145464.

It is an arithmetic number, because the mean of its divisors is an integer number (101077200).

Almost surely, 2^1426306520 is an apocalyptic number.

1426306520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426306520 is an abundant number, since it is smaller than the sum of its proper divisors (1808163880).

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

1426306520 is a wasteful number, since it uses less digits than its factorization.

1426306520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280907 (or 280903 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1426306520 is about 37766.4734917095. The cubic root of 1426306520 is about 1125.6523676386.

The spelling of 1426306520 in words is "one billion, four hundred twenty-six million, three hundred six thousand, five hundred twenty".