42420496 has 10 divisors (see below), whose sum is σ = 82189742. Its totient is φ = 21210240.

The previous prime is 42420481. The next prime is 42420503. The reversal of 42420496 is 69402424.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 18800896 = 4860^2 + 4336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325625 + ... + 1325656.

Almost surely, 2^42420496 is an apocalyptic number.

It is an amenable number.

42420496 is a deficient number, since it is larger than the sum of its proper divisors (39769246).

42420496 is a wasteful number, since it uses less digits than its factorization.

42420496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651289 (or 2651283 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 42420496 is about 6513.1018723800. The cubic root of 42420496 is about 348.7588583885.

The spelling of 42420496 in words is "forty-two million, four hundred twenty thousand, four hundred ninety-six".