1540435005425 has 24 divisors (see below), whose sum is σ = 1962129046656. Its totient is φ = 1198818671040.

The previous prime is 1540435005413. The next prime is 1540435005449. The reversal of 1540435005425 is 5245005340451.

It is not a de Polignac number, because 1540435005425 - 2²⁰ = 1540433956849 is a prime.

It is a Duffinian 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, 4919912 + ... + 5223638.

It is an arithmetic number, because the mean of its divisors is an integer number (81755376944).

Almost surely, 2^{1540435005425} is an apocalyptic number.

It is an amenable number.

1540435005425 is a deficient number, since it is larger than the sum of its proper divisors (421694041231).

1540435005425 is a wasteful number, since it uses less digits than its factorization.

1540435005425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309257 (or 309252 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 1540435005425 in words is "one trillion, five hundred forty billion, four hundred thirty-five million, five thousand, four hundred twenty-five".