1420038838525 has 12 divisors (see below), whose sum is σ = 1760886349012. Its totient is φ = 1136006432640.

The previous prime is 1420038838513. The next prime is 1420038838571. The reversal of 1420038838525 is 5258388300241.

It can be written as a sum of positive squares in 6 ways, for example, as 51059277369 + 1368979561156 = 225963^2 + 1170034^2 .

It is not a de Polignac number, because 1420038838525 - 2⁹ = 1420038838013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607459 + ... + 1791391.

Almost surely, 2^{1420038838525} is an apocalyptic number.

It is an amenable number.

1420038838525 is a deficient number, since it is larger than the sum of its proper divisors (340847510487).

1420038838525 is a wasteful number, since it uses less digits than its factorization.

1420038838525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231920 (or 1231915 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 1420038838525 in words is "one trillion, four hundred twenty billion, thirty-eight million, eight hundred thirty-eight thousand, five hundred twenty-five".