126780152632 has 64 divisors (see below), whose sum is σ = 277847424000. Its totient is φ = 53102514816.

The previous prime is 126780152623. The next prime is 126780152657. The reversal of 126780152632 is 236251087621.

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, 1832119 + ... + 1900057.

It is an arithmetic number, because the mean of its divisors is an integer number (4341366000).

Almost surely, 2^126780152632 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 126780152632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138923712000).

126780152632 is an abundant number, since it is smaller than the sum of its proper divisors (151067271368).

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

126780152632 is a wasteful number, since it uses less digits than its factorization.

126780152632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68708 (or 68704 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 126780152632 in words is "one hundred twenty-six billion, seven hundred eighty million, one hundred fifty-two thousand, six hundred thirty-two".