42153632 has 12 divisors (see below), whose sum is σ = 82990026. Its totient is φ = 21076800.

The previous prime is 42153607. The next prime is 42153691. The reversal of 42153632 is 23635124.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 13808656 = 5324^2 + 3716^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658619 + ... + 658682.

Almost surely, 2^42153632 is an apocalyptic number.

It is an amenable number.

42153632 is a deficient number, since it is larger than the sum of its proper divisors (40836394).

42153632 is a wasteful number, since it uses less digits than its factorization.

42153632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317311 (or 1317303 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 42153632 is about 6492.5828450625. The cubic root of 42153632 is about 348.0259812372.

Adding to 42153632 its reverse (23635124), we get a palindrome (65788756).

The spelling of 42153632 in words is "forty-two million, one hundred fifty-three thousand, six hundred thirty-two".