126535473440 has 96 divisors (see below), whose sum is σ = 314775901440. Its totient is φ = 47934720000.

The previous prime is 126535473437. The next prime is 126535473443. The reversal of 126535473440 is 44374535621.

It is an interprime number because it is at equal distance from previous prime (126535473437) and next prime (126535473443).

It is a super-2 number, since 2×126535473440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126535473391 and 126535473400.

It is not an unprimeable number, because it can be changed into a prime (126535473443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14438660 + ... + 14447420.

It is an arithmetic number, because the mean of its divisors is an integer number (3278915640).

Almost surely, 2^126535473440 is an apocalyptic number.

126535473440 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 126535473440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157387950720).

126535473440 is an abundant number, since it is smaller than the sum of its proper divisors (188240428000).

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

126535473440 is a wasteful number, since it uses less digits than its factorization.

126535473440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546 (or 13538 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 126535473440 in words is "one hundred twenty-six billion, five hundred thirty-five million, four hundred seventy-three thousand, four hundred forty".