126686785480 has 16 divisors (see below), whose sum is σ = 285045267420. Its totient is φ = 50674714176.

The previous prime is 126686785439. The next prime is 126686785499. The reversal of 126686785480 is 84587686621.

It can be written as a sum of positive squares in 2 ways, for example, as 114307552836 + 12379232644 = 338094^2 + 111262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583584779 + ... + 1583584858.

Almost surely, 2^126686785480 is an apocalyptic number.

126686785480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126686785480 is an abundant number, since it is smaller than the sum of its proper divisors (158358481940).

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

126686785480 is a wasteful number, since it uses less digits than its factorization.

126686785480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167169648 (or 3167169644 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 126686785480 in words is "one hundred twenty-six billion, six hundred eighty-six million, seven hundred eighty-five thousand, four hundred eighty".