1258949800428 has 48 divisors (see below), whose sum is σ = 3107853745920. Its totient is φ = 395544993984.

The previous prime is 1258949800403. The next prime is 1258949800429. The reversal of 1258949800428 is 8240089498521.

It is not an unprimeable number, because it can be changed into a prime (1258949800429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13969576 + ... + 14059407.

It is an arithmetic number, because the mean of its divisors is an integer number (64746953040).

Almost surely, 2^{1258949800428} is an apocalyptic number.

It is an amenable number.

1258949800428 is an abundant number, since it is smaller than the sum of its proper divisors (1848903945492).

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

1258949800428 is a wasteful number, since it uses less digits than its factorization.

1258949800428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28029206 (or 28029204 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 1258949800428 in words is "one trillion, two hundred fifty-eight billion, nine hundred forty-nine million, eight hundred thousand, four hundred twenty-eight".