42402032 has 10 divisors (see below), whose sum is σ = 82153968. Its totient is φ = 21201008.

The previous prime is 42402023. The next prime is 42402043. The reversal of 42402032 is 23020424.

It is a self number, because there is not a number n which added to its sum of digits gives 42402032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325048 + ... + 1325079.

Almost surely, 2^42402032 is an apocalyptic number.

It is an amenable number.

42402032 is a deficient number, since it is larger than the sum of its proper divisors (39751936).

42402032 is a wasteful number, since it uses less digits than its factorization.

42402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650135 (or 2650129 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 42402032 is about 6511.6842675302. The cubic root of 42402032 is about 348.7082506345.

Adding to 42402032 its reverse (23020424), we get a palindrome (65422456).

The spelling of 42402032 in words is "forty-two million, four hundred two thousand, thirty-two".