1259485463824 has 135 divisors (see below), whose sum is σ = 2868504474927. Its totient is φ = 534163655424.

The previous prime is 1259485463783. The next prime is 1259485463843. The reversal of 1259485463824 is 4283645849521.

The square root of 1259485463824 is 1122268.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 847629566224 + 411855897600 = 920668^2 + 641760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4682101962 + ... + 4682102230.

Almost surely, 2^{1259485463824} is an apocalyptic number.

1259485463824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1259485463824 is the 1122268-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1259485463824

1259485463824 is an abundant number, since it is smaller than the sum of its proper divisors (1609019011103).

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

1259485463824 is an frugal number, since it uses more digits than its factorization.

1259485463824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 427 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 61.

The spelling of 1259485463824 in words is "one trillion, two hundred fifty-nine billion, four hundred eighty-five million, four hundred sixty-three thousand, eight hundred twenty-four".