1258945489830 has 64 divisors (see below), whose sum is σ = 3487296872448. Its totient is φ = 284909865600.

The previous prime is 1258945489829. The next prime is 1258945489843. The reversal of 1258945489830 is 389845498521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29656902 + ... + 29699321.

It is an arithmetic number, because the mean of its divisors is an integer number (54489013632).

Almost surely, 2^{1258945489830} is an apocalyptic number.

1258945489830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1258945489830 is an abundant number, since it is smaller than the sum of its proper divisors (2228351382618).

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

1258945489830 is a wasteful number, since it uses less digits than its factorization.

1258945489830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59356341.

The product of its (nonzero) digits is 99532800, while the sum is 66.

The spelling of 1258945489830 in words is "one trillion, two hundred fifty-eight billion, nine hundred forty-five million, four hundred eighty-nine thousand, eight hundred thirty".