126628919600 has 60 divisors (see below), whose sum is σ = 317453218896. Its totient is φ = 48449322240.

The previous prime is 126628919591. The next prime is 126628919653. The reversal of 126628919600 is 6919826621.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6872807 + ... + 6891206.

Almost surely, 2^126628919600 is an apocalyptic number.

126628919600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126628919600 is an abundant number, since it is smaller than the sum of its proper divisors (190824299296).

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

126628919600 is a wasteful number, since it uses less digits than its factorization.

126628919600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764054 (or 13764043 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 126628919600 in words is "one hundred twenty-six billion, six hundred twenty-eight million, nine hundred nineteen thousand, six hundred".