126455363272 has 64 divisors (see below), whose sum is σ = 280460880000. Its totient is φ = 52300018176.

The previous prime is 126455363267. The next prime is 126455363299. The reversal of 126455363272 is 272363554621.

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, 3390228 + ... + 3427324.

It is an arithmetic number, because the mean of its divisors is an integer number (4382201250).

Almost surely, 2^126455363272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126455363272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140230440000).

126455363272 is an abundant number, since it is smaller than the sum of its proper divisors (154005516728).

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

126455363272 is a wasteful number, since it uses less digits than its factorization.

126455363272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39238 (or 39234 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 46.

The spelling of 126455363272 in words is "one hundred twenty-six billion, four hundred fifty-five million, three hundred sixty-three thousand, two hundred seventy-two".