402533412 has 24 divisors (see below), whose sum is σ = 994494816. Its totient is φ = 126284928.

The previous prime is 402533401. The next prime is 402533423. The reversal of 402533412 is 214335204.

It is an interprime number because it is at equal distance from previous prime (402533401) and next prime (402533423).

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, 986398 + ... + 986805.

It is an arithmetic number, because the mean of its divisors is an integer number (41437284).

Almost surely, 2^402533412 is an apocalyptic number.

It is an amenable number.

402533412 is an abundant number, since it is smaller than the sum of its proper divisors (591961404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402533412 is a wasteful number, since it uses less digits than its factorization.

402533412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973227 (or 1973225 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402533412 is about 20063.2353323187. The cubic root of 402533412 is about 738.3585555075.

Adding to 402533412 its reverse (214335204), we get a palindrome (616868616).

The spelling of 402533412 in words is "four hundred two million, five hundred thirty-three thousand, four hundred twelve".