42455432 has 8 divisors (see below), whose sum is σ = 79603950. Its totient is φ = 21227712.

The previous prime is 42455423. The next prime is 42455471. The reversal of 42455432 is 23455424.

It can be written as a sum of positive squares in only one way, i.e., 40780996 + 1674436 = 6386^2 + 1294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42455395 and 42455404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2653457 + ... + 2653472.

Almost surely, 2^42455432 is an apocalyptic number.

It is an amenable number.

42455432 is a deficient number, since it is larger than the sum of its proper divisors (37148518).

42455432 is a wasteful number, since it uses less digits than its factorization.

42455432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306935 (or 5306931 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 42455432 is about 6515.7832990363. The cubic root of 42455432 is about 348.8545738823.

The spelling of 42455432 in words is "forty-two million, four hundred fifty-five thousand, four hundred thirty-two".