126543655460 has 24 divisors (see below), whose sum is σ = 265752485880. Its totient is φ = 50615403264.

The previous prime is 126543655453. The next prime is 126543655481. The reversal of 126543655460 is 64556345621.

It can be written as a sum of positive squares in 4 ways, for example, as 3853181476 + 122690473984 = 62074^2 + 350272^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435662 + ... + 665498.

It is an arithmetic number, because the mean of its divisors is an integer number (11073020245).

Almost surely, 2^126543655460 is an apocalyptic number.

126543655460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126543655460 is an abundant number, since it is smaller than the sum of its proper divisors (139208830420).

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

126543655460 is a wasteful number, since it uses less digits than its factorization.

126543655460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257375 (or 257373 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 126543655460 in words is "one hundred twenty-six billion, five hundred forty-three million, six hundred fifty-five thousand, four hundred sixty".