1259766480 has 120 divisors (see below), whose sum is σ = 4542914592. Its totient is φ = 287943936.

The previous prime is 1259766463. The next prime is 1259766493. The reversal of 1259766480 is 846679521.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41802 + ... + 65321.

Almost surely, 2^1259766480 is an apocalyptic number.

1259766480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1259766480 is an abundant number, since it is smaller than the sum of its proper divisors (3283148112).

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

1259766480 is a wasteful number, since it uses less digits than its factorization.

1259766480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107153 (or 107140 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1259766480 is about 35493.1892058181. The cubic root of 1259766480 is about 1080.0155690485.

The spelling of 1259766480 in words is "one billion, two hundred fifty-nine million, seven hundred sixty-six thousand, four hundred eighty".