42355402 has 8 divisors (see below), whose sum is σ = 63568800. Its totient is φ = 21165804.

The previous prime is 42355309. The next prime is 42355409. The reversal of 42355402 is 20455324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42355409) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 502 + ... + 9217.

It is an arithmetic number, because the mean of its divisors is an integer number (7946100).

Almost surely, 2^42355402 is an apocalyptic number.

42355402 is a deficient number, since it is larger than the sum of its proper divisors (21213398).

42355402 is a wasteful number, since it uses less digits than its factorization.

42355402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11900.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42355402 is about 6508.1027957462. The cubic root of 42355402 is about 348.5803775969.

The spelling of 42355402 in words is "forty-two million, three hundred fifty-five thousand, four hundred two".