126293895840 has 384 divisors, whose sum is σ = 476355575808. Its totient is φ = 27517501440.

The previous prime is 126293895839. The next prime is 126293895853. The reversal of 126293895840 is 48598392621.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6969672 + ... + 6987768.

It is an arithmetic number, because the mean of its divisors is an integer number (1240509312).

Almost surely, 2^126293895840 is an apocalyptic number.

126293895840 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 126293895840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238177787904).

126293895840 is an abundant number, since it is smaller than the sum of its proper divisors (350061679968).

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

126293895840 is a wasteful number, since it uses less digits than its factorization.

126293895840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18220 (or 18212 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 126293895840 in words is "one hundred twenty-six billion, two hundred ninety-three million, eight hundred ninety-five thousand, eight hundred forty".