42432402 has 16 divisors (see below), whose sum is σ = 85357440. Its totient is φ = 14062032.

The previous prime is 42432389. The next prime is 42432407. The reversal of 42432402 is 20423424.

It is not an unprimeable number, because it can be changed into a prime (42432407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19402 + ... + 21477.

It is an arithmetic number, because the mean of its divisors is an integer number (5334840).

Almost surely, 2^42432402 is an apocalyptic number.

42432402 is an abundant number, since it is smaller than the sum of its proper divisors (42925038).

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

42432402 is a wasteful number, since it uses less digits than its factorization.

42432402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41057.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42432402 is about 6514.0158120778. The cubic root of 42432402 is about 348.7914836125.

Adding to 42432402 its reverse (20423424), we get a palindrome (62855826).

The spelling of 42432402 in words is "forty-two million, four hundred thirty-two thousand, four hundred two".