1258044480 has 896 divisors, whose sum is σ = 5805342720. Its totient is φ = 248832000.

The previous prime is 1258044467. The next prime is 1258044497. The reversal of 1258044480 is 844408521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20623650 + ... + 20623710.

Almost surely, 2^1258044480 is an apocalyptic number.

1258044480 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 1258044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902671360).

1258044480 is an abundant number, since it is smaller than the sum of its proper divisors (4547298240).

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

1258044480 is a wasteful number, since it uses less digits than its factorization.

1258044480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1258044480 is about 35468.9227352622. The cubic root of 1258044480 is about 1079.5232463637.

The spelling of 1258044480 in words is "one billion, two hundred fifty-eight million, forty-four thousand, four hundred eighty".