42646354 has 4 divisors (see below), whose sum is σ = 63969534. Its totient is φ = 21323176.

The previous prime is 42646349. The next prime is 42646361. The reversal of 42646354 is 45364624.

42646354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40896025 + 1750329 = 6395^2 + 1323^2 .

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, 10661587 + ... + 10661590.

Almost surely, 2^42646354 is an apocalyptic number.

42646354 is a deficient number, since it is larger than the sum of its proper divisors (21323180).

42646354 is a wasteful number, since it uses less digits than its factorization.

42646354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21323179.

The product of its digits is 69120, while the sum is 34.

The square root of 42646354 is about 6530.4175976732. The cubic root of 42646354 is about 349.3767247524.

The spelling of 42646354 in words is "forty-two million, six hundred forty-six thousand, three hundred fifty-four".