42455404 has 6 divisors (see below), whose sum is σ = 74296964. Its totient is φ = 21227700.

The previous prime is 42455389. The next prime is 42455423. The reversal of 42455404 is 40455424.

42455404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42455404² = 3604922657606432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5306922 + ... + 5306929.

Almost surely, 2^42455404 is an apocalyptic number.

It is an amenable number.

42455404 is a deficient number, since it is larger than the sum of its proper divisors (31841560).

42455404 is a wasteful number, since it uses less digits than its factorization.

42455404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613855 (or 10613853 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 42455404 is about 6515.7811504071. The cubic root of 42455404 is about 348.8544971907.

The spelling of 42455404 in words is "forty-two million, four hundred fifty-five thousand, four hundred four".