402525420145545 has 16 divisors (see below), whose sum is σ = 652193085807360. Its totient is φ = 211962752886144.

The previous prime is 402525420145523. The next prime is 402525420145549. The reversal of 402525420145545 is 545541024525204.

It is not a de Polignac number, because 402525420145545 - 2²¹ = 402525418048393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402525420145494 and 402525420145503.

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 15 ways as a sum of consecutive naturals, for example, 169841948244 + ... + 169841950613.

It is an arithmetic number, because the mean of its divisors is an integer number (40762067862960).

Almost surely, 2^{402525420145545} is an apocalyptic number.

It is an amenable number.

402525420145545 is a deficient number, since it is larger than the sum of its proper divisors (249667665661815).

402525420145545 is a wasteful number, since it uses less digits than its factorization.

402525420145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339683898944.

The product of its (nonzero) digits is 6400000, while the sum is 48.

The spelling of 402525420145545 in words is "four hundred two trillion, five hundred twenty-five billion, four hundred twenty million, one hundred forty-five thousand, five hundred forty-five".