126344980802040 has 1536 divisors, whose sum is σ = 529902806630400. Its totient is φ = 23682988707840.

The previous prime is 126344980802009. The next prime is 126344980802083. The reversal of 126344980802040 is 40208089443621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7154698731 + ... + 7154716389.

It is an arithmetic number, because the mean of its divisors is an integer number (344988806400).

Almost surely, 2^{126344980802040} is an apocalyptic number.

126344980802040 is a gapful number since it is divisible by the number (10) 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 126344980802040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264951403315200).

126344980802040 is an abundant number, since it is smaller than the sum of its proper divisors (403557825828360).

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

126344980802040 is a wasteful number, since it uses less digits than its factorization.

126344980802040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17905 (or 17894 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 126344980802040 in words is "one hundred twenty-six trillion, three hundred forty-four billion, nine hundred eighty million, eight hundred two thousand, forty".