127440503542 has 48 divisors (see below), whose sum is σ = 211019608800. Its totient is φ = 57679776000.

The previous prime is 127440503503. The next prime is 127440503573. The reversal of 127440503542 is 245305044721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89180884 + ... + 89182312.

It is an arithmetic number, because the mean of its divisors is an integer number (4396241850).

Almost surely, 2^127440503542 is an apocalyptic number.

127440503542 is a deficient number, since it is larger than the sum of its proper divisors (83579105258).

127440503542 is a wasteful number, since it uses less digits than its factorization.

127440503542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 127440503542 in words is "one hundred twenty-seven billion, four hundred forty million, five hundred three thousand, five hundred forty-two".