42011654 has 4 divisors (see below), whose sum is σ = 63017484. Its totient is φ = 21005826.

The previous prime is 42011621. The next prime is 42011663. The reversal of 42011654 is 45611024.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502912 + ... + 10502915.

It is an arithmetic number, because the mean of its divisors is an integer number (15754371).

Almost surely, 2^42011654 is an apocalyptic number.

42011654 is a deficient number, since it is larger than the sum of its proper divisors (21005830).

42011654 is a wasteful number, since it uses less digits than its factorization.

42011654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005829.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 42011654 is about 6481.6397616653. The cubic root of 42011654 is about 347.6348120032.

Adding to 42011654 its reverse (45611024), we get a palindrome (87622678).

The spelling of 42011654 in words is "forty-two million, eleven thousand, six hundred fifty-four".