1456909806 has 32 divisors (see below), whose sum is σ = 3186776448. Its totient is φ = 440367840.

The previous prime is 1456909781. The next prime is 1456909849. The reversal of 1456909806 is 6089096541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600 + ... + 54003.

It is an arithmetic number, because the mean of its divisors is an integer number (99586764).

Almost surely, 2^1456909806 is an apocalyptic number.

1456909806 is an abundant number, since it is smaller than the sum of its proper divisors (1729866642).

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

1456909806 is a wasteful number, since it uses less digits than its factorization.

1456909806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56016.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1456909806 is about 38169.4878928183. The cubic root of 1456909806 is about 1133.6462492546.

The spelling of 1456909806 in words is "one billion, four hundred fifty-six million, nine hundred nine thousand, eight hundred six".