126302515207440 has 160 divisors (see below), whose sum is σ = 459988461104256. Its totient is φ = 28263499898880.

The previous prime is 126302515207361. The next prime is 126302515207459. The reversal of 126302515207440 is 44702515203621.

It is a happy number.

It is a super-2 number, since 2×126302515207440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126302515207392 and 126302515207401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1840037289 + ... + 1840105928.

Almost surely, 2^{126302515207440} is an apocalyptic number.

126302515207440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126302515207440 is an abundant number, since it is smaller than the sum of its proper divisors (333685945896816).

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

126302515207440 is a wasteful number, since it uses less digits than its factorization.

126302515207440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680143257 (or 3680143251 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 126302515207440 in words is "one hundred twenty-six trillion, three hundred two billion, five hundred fifteen million, two hundred seven thousand, four hundred forty".