64462442 has 32 divisors (see below), whose sum is σ = 108368064. Its totient is φ = 28512000.

The previous prime is 64462429. The next prime is 64462483. The reversal of 64462442 is 24426446.

It is a junction number, because it is equal to n+sod(n) for n = 64462399 and 64462408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148658 + ... + 149090.

It is an arithmetic number, because the mean of its divisors is an integer number (3386502).

Almost surely, 2^64462442 is an apocalyptic number.

64462442 is a deficient number, since it is larger than the sum of its proper divisors (43905622).

64462442 is a wasteful number, since it uses less digits than its factorization.

64462442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its digits is 36864, while the sum is 32.

The square root of 64462442 is about 8028.8506026703. The cubic root of 64462442 is about 400.9611096543.

Adding to 64462442 its reverse (24426446), we get a palindrome (88888888).

It can be divided in two parts, 6446 and 2442, that added together give a palindrome (8888).

The spelling of 64462442 in words is "sixty-four million, four hundred sixty-two thousand, four hundred forty-two".