402520451332 has 12 divisors (see below), whose sum is σ = 704419233616. Its totient is φ = 201257813160.

The previous prime is 402520451317. The next prime is 402520451369. The reversal of 402520451332 is 233154025204.

It is a junction number, because it is equal to n+sod(n) for n = 402520451294 and 402520451303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197394 + ... + 918697.

Almost surely, 2^402520451332 is an apocalyptic number.

It is an amenable number.

402520451332 is a deficient number, since it is larger than the sum of its proper divisors (301898782284).

402520451332 is a wasteful number, since it uses less digits than its factorization.

402520451332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206258 (or 1206256 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 402520451332 its reverse (233154025204), we get a palindrome (635674476536).

The spelling of 402520451332 in words is "four hundred two billion, five hundred twenty million, four hundred fifty-one thousand, three hundred thirty-two".