126356623632 has 120 divisors (see below), whose sum is σ = 356336443008. Its totient is φ = 41796288000.

The previous prime is 126356623531. The next prime is 126356623691. The reversal of 126356623632 is 236326653621.

126356623632 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 5 + 6 + 6 + 2 + 3 + 632 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25938157 + ... + 25943027.

Almost surely, 2^126356623632 is an apocalyptic number.

126356623632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126356623632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178168221504).

126356623632 is an abundant number, since it is smaller than the sum of its proper divisors (229979819376).

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

126356623632 is a wasteful number, since it uses less digits than its factorization.

126356623632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229 (or 6220 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 45.

The spelling of 126356623632 in words is "one hundred twenty-six billion, three hundred fifty-six million, six hundred twenty-three thousand, six hundred thirty-two".