126752417540 has 48 divisors (see below), whose sum is σ = 309361852800. Its totient is φ = 42721393152.

The previous prime is 126752417501. The next prime is 126752417557. The reversal of 126752417540 is 45714257621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126752417491 and 126752417500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7664405 + ... + 7680924.

It is an arithmetic number, because the mean of its divisors is an integer number (6445038600).

Almost surely, 2^126752417540 is an apocalyptic number.

126752417540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126752417540 is an abundant number, since it is smaller than the sum of its proper divisors (182609435260).

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

126752417540 is a wasteful number, since it uses less digits than its factorization.

126752417540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345404 (or 15345402 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 126752417540 in words is "one hundred twenty-six billion, seven hundred fifty-two million, four hundred seventeen thousand, five hundred forty".