1258116464 has 40 divisors (see below), whose sum is σ = 2799166080. Its totient is φ = 541771200.

The previous prime is 1258116443. The next prime is 1258116479. The reversal of 1258116464 is 4646118521.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184772 + ... + 191459.

It is an arithmetic number, because the mean of its divisors is an integer number (69979152).

Almost surely, 2^1258116464 is an apocalyptic number.

It is an amenable number.

1258116464 is an abundant number, since it is smaller than the sum of its proper divisors (1541049616).

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

1258116464 is a wasteful number, since it uses less digits than its factorization.

1258116464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376269 (or 376263 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 1258116464 is about 35469.9374682279. The cubic root of 1258116464 is about 1079.5438357044.

The spelling of 1258116464 in words is "one billion, two hundred fifty-eight million, one hundred sixteen thousand, four hundred sixty-four".