402434200120432 has 40 divisors (see below), whose sum is σ = 782074064431296. Its totient is φ = 200608702457856.

The previous prime is 402434200120417. The next prime is 402434200120441. The reversal of 402434200120432 is 234021002434204.

It is a super-2 number, since 2×402434200120432² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402434200120394 and 402434200120403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93919668 + ... + 98111020.

Almost surely, 2^{402434200120432} is an apocalyptic number.

It is an amenable number.

402434200120432 is a deficient number, since it is larger than the sum of its proper divisors (379639864310864).

402434200120432 is a wasteful number, since it uses less digits than its factorization.

402434200120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209505 (or 4209499 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 402434200120432 its reverse (234021002434204), we get a palindrome (636455202554636).

The spelling of 402434200120432 in words is "four hundred two trillion, four hundred thirty-four billion, two hundred million, one hundred twenty thousand, four hundred thirty-two".