402024532 has 48 divisors (see below), whose sum is σ = 867637120. Its totient is φ = 158723712.

The previous prime is 402024509. The next prime is 402024533. The reversal of 402024532 is 235420204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402024533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274819 + ... + 276277.

Almost surely, 2^402024532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402024532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433818560).

402024532 is an abundant number, since it is smaller than the sum of its proper divisors (465612588).

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

402024532 is a wasteful number, since it uses less digits than its factorization.

402024532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 402024532 is about 20050.5494189062. The cubic root of 402024532 is about 738.0472816802.

Adding to 402024532 its reverse (235420204), we get a palindrome (637444736).

The spelling of 402024532 in words is "four hundred two million, twenty-four thousand, five hundred thirty-two".