402525420145543 has 24 divisors (see below), whose sum is σ = 417365348198400. Its totient is φ = 388181036825568.

The previous prime is 402525420145523. The next prime is 402525420145549. The reversal of 402525420145543 is 345541024525204.

It is a de Polignac number, because none of the positive numbers 2^k-402525420145543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402525420145493 and 402525420145502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402525420145549) 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, 176030388 + ... + 178302406.

It is an arithmetic number, because the mean of its divisors is an integer number (17390222841600).

Almost surely, 2^{402525420145543} is an apocalyptic number.

402525420145543 is a deficient number, since it is larger than the sum of its proper divisors (14839928052857).

402525420145543 is a wasteful number, since it uses less digits than its factorization.

402525420145543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273239 (or 2273202 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 46.

The spelling of 402525420145543 in words is "four hundred two trillion, five hundred twenty-five billion, four hundred twenty million, one hundred forty-five thousand, five hundred forty-three".