5142124734640 has 40 divisors (see below), whose sum is σ = 12341099369088. Its totient is φ = 1990499896320.

The previous prime is 5142124734611. The next prime is 5142124734679. The reversal of 5142124734640 is 464374212415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036716217 + ... + 1036721176.

Almost surely, 2^{5142124734640} is an apocalyptic number.

It is an amenable number.

5142124734640 is an abundant number, since it is smaller than the sum of its proper divisors (7198974634448).

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

5142124734640 is a wasteful number, since it uses less digits than its factorization.

5142124734640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073437437 (or 2073437431 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 5142124734640 in words is "five trillion, one hundred forty-two billion, one hundred twenty-four million, seven hundred thirty-four thousand, six hundred forty".