402543451425 has 12 divisors (see below), whose sum is σ = 665538506480. Its totient is φ = 214689840720.

The previous prime is 402543451411. The next prime is 402543451511. The reversal of 402543451425 is 524154345204.

It is not a de Polignac number, because 402543451425 - 2¹⁰ = 402543450401 is a prime.

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, 2683622935 + ... + 2683623084.

Almost surely, 2^402543451425 is an apocalyptic number.

It is an amenable number.

402543451425 is a deficient number, since it is larger than the sum of its proper divisors (262995055055).

402543451425 is a wasteful number, since it uses less digits than its factorization.

402543451425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367246032 (or 5367246027 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 402543451425 its reverse (524154345204), we get a palindrome (926697796629).

The spelling of 402543451425 in words is "four hundred two billion, five hundred forty-three million, four hundred fifty-one thousand, four hundred twenty-five".