64460450 has 24 divisors (see below), whose sum is σ = 121934160. Its totient is φ = 25346000.

The previous prime is 64460449. The next prime is 64460471. The reversal of 64460450 is 5406446.

It is a super-2 number, since 2×64460450² = 8310299228405000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7976 + ... + 13875.

It is an arithmetic number, because the mean of its divisors is an integer number (5080590).

Almost surely, 2^64460450 is an apocalyptic number.

64460450 is a deficient number, since it is larger than the sum of its proper divisors (57473710).

64460450 is a wasteful number, since it uses less digits than its factorization.

64460450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21922 (or 21917 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 64460450 is about 8028.7265490861. The cubic root of 64460450 is about 400.9569794831.

Adding to 64460450 its reverse (5406446), we get a palindrome (69866896).

The spelling of 64460450 in words is "sixty-four million, four hundred sixty thousand, four hundred fifty".