402420403134325 has 12 divisors (see below), whose sum is σ = 499003152825600. Its totient is φ = 321935127062960.

The previous prime is 402420403134319. The next prime is 402420403134331. The reversal of 402420403134325 is 523431304024204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402420403134319) and next prime (402420403134331).

It is not a de Polignac number, because 402420403134325 - 2³³ = 402411813199733 is a prime.

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, 22987675 + ... + 36514024.

It is an arithmetic number, because the mean of its divisors is an integer number (41583596068800).

Almost surely, 2^{402420403134325} is an apocalyptic number.

It is an amenable number.

402420403134325 is a deficient number, since it is larger than the sum of its proper divisors (96582749691275).

402420403134325 is a wasteful number, since it uses less digits than its factorization.

402420403134325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59772236 (or 59772231 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 402420403134325 its reverse (523431304024204), we get a palindrome (925851707158529).

The spelling of 402420403134325 in words is "four hundred two trillion, four hundred twenty billion, four hundred three million, one hundred thirty-four thousand, three hundred twenty-five".