402520013450032 has 20 divisors (see below), whose sum is σ = 781827370276536. Its totient is φ = 200758111443200.

The previous prime is 402520013449987. The next prime is 402520013450033. The reversal of 402520013450032 is 230054310025204.

It is a super-2 number, since 2×402520013450032² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402520013449976 and 402520013450003.

It is not an unprimeable number, because it can be changed into a prime (402520013450033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31368448498 + ... + 31368461329.

Almost surely, 2^{402520013450032} is an apocalyptic number.

It is an amenable number.

402520013450032 is a deficient number, since it is larger than the sum of its proper divisors (379307356826504).

402520013450032 is a wasteful number, since it uses less digits than its factorization.

402520013450032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62736910236 (or 62736910230 counting only the distinct ones).

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

Adding to 402520013450032 its reverse (230054310025204), we get a palindrome (632574323475236).

The spelling of 402520013450032 in words is "four hundred two trillion, five hundred twenty billion, thirteen million, four hundred fifty thousand, thirty-two".