5402440020425 has 24 divisors (see below), whose sum is σ = 7656164652672. Its totient is φ = 3704464800000.

The previous prime is 5402440020389. The next prime is 5402440020427. The reversal of 5402440020425 is 5240200442045.

It is not a de Polignac number, because 5402440020425 - 2¹⁸ = 5402439758281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5402440020391 and 5402440020400.

It is not an unprimeable number, because it can be changed into a prime (5402440020427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10973300 + ... + 11455050.

It is an arithmetic number, because the mean of its divisors is an integer number (319006860528).

Almost surely, 2^{5402440020425} is an apocalyptic number.

It is an amenable number.

5402440020425 is a deficient number, since it is larger than the sum of its proper divisors (2253724632247).

5402440020425 is a wasteful number, since it uses less digits than its factorization.

5402440020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545849 (or 545844 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The spelling of 5402440020425 in words is "five trillion, four hundred two billion, four hundred forty million, twenty thousand, four hundred twenty-five".