126620327760 has 80 divisors (see below), whose sum is σ = 393654465216. Its totient is φ = 33668091904.

The previous prime is 126620327759. The next prime is 126620327803. The reversal of 126620327760 is 67723026621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676929 + ... + 843488.

Almost surely, 2^126620327760 is an apocalyptic number.

126620327760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126620327760 is an abundant number, since it is smaller than the sum of its proper divisors (267034137456).

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

126620327760 is a wasteful number, since it uses less digits than its factorization.

126620327760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520780 (or 1520774 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 126620327760 in words is "one hundred twenty-six billion, six hundred twenty million, three hundred twenty-seven thousand, seven hundred sixty".