126333540864 has 100 divisors (see below), whose sum is σ = 377072478354. Its totient is φ = 42111166464.

The previous prime is 126333540859. The next prime is 126333540871. The reversal of 126333540864 is 468045333621.

126333540864 is a `hidden beast` number, since 1 + 2 + 633 + 3 + 5 + 4 + 0 + 8 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 118743646464 + 7589894400 = 344592^2 + 87120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1481647 + ... + 1564590.

Almost surely, 2^126333540864 is an apocalyptic number.

It is an amenable number.

126333540864 is an abundant number, since it is smaller than the sum of its proper divisors (250738937490).

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

126333540864 is an frugal number, since it uses more digits than its factorization.

126333540864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046267 (or 3046242 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 126333540864 in words is "one hundred twenty-six billion, three hundred thirty-three million, five hundred forty thousand, eight hundred sixty-four".