402654241630225 has 24 divisors (see below), whose sum is σ = 537949189659392. Its totient is φ = 297205918632000.

The previous prime is 402654241630189. The next prime is 402654241630247. The reversal of 402654241630225 is 522036142456204.

It is not a de Polignac number, because 402654241630225 - 2¹⁵ = 402654241597457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288369351 + ... + 289762300.

Almost surely, 2^{402654241630225} is an apocalyptic number.

It is an amenable number.

402654241630225 is a deficient number, since it is larger than the sum of its proper divisors (135294948029167).

402654241630225 is a wasteful number, since it uses less digits than its factorization.

402654241630225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578133817 (or 578133812 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 402654241630225 in words is "four hundred two trillion, six hundred fifty-four billion, two hundred forty-one million, six hundred thirty thousand, two hundred twenty-five".