1459640780 has 48 divisors (see below), whose sum is σ = 3307288320. Its totient is φ = 537923328.

The previous prime is 1459640779. The next prime is 1459640813. The reversal of 1459640780 is 870469541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139781 + ... + 149859.

It is an arithmetic number, because the mean of its divisors is an integer number (68901840).

Almost surely, 2^1459640780 is an apocalyptic number.

1459640780 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 1459640780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653644160).

1459640780 is an abundant number, since it is smaller than the sum of its proper divisors (1847647540).

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

1459640780 is a wasteful number, since it uses less digits than its factorization.

1459640780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658 (or 10656 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1459640780 is about 38205.2454513775. The cubic root of 1459640780 is about 1134.3541461964.

The spelling of 1459640780 in words is "one billion, four hundred fifty-nine million, six hundred forty thousand, seven hundred eighty".