126647428183040 has 88 divisors (see below), whose sum is σ = 307967131575240. Its totient is φ = 49965012615168.

The previous prime is 126647428183021. The next prime is 126647428183049. The reversal of 126647428183040 is 40381824746621.

It can be written as a sum of positive squares in 4 ways, for example, as 9857389563904 + 116790038619136 = 3139648^2 + 10806944^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126647428183049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169049705 + ... + 169797224.

Almost surely, 2^{126647428183040} is an apocalyptic number.

126647428183040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126647428183040 is an abundant number, since it is smaller than the sum of its proper divisors (181319703392200).

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

126647428183040 is an equidigital number, since it uses as much as digits as its factorization.

126647428183040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338847027 (or 338847009 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 126647428183040 in words is "one hundred twenty-six trillion, six hundred forty-seven billion, four hundred twenty-eight million, one hundred eighty-three thousand, forty".