64854480 has 160 divisors (see below), whose sum is σ = 217128960. Its totient is φ = 15966720.

The previous prime is 64854479. The next prime is 64854499. The reversal of 64854480 is 8445846.

It is a super-2 number, since 2×64854480² = 8412207152140800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170931 + ... + 171309.

It is an arithmetic number, because the mean of its divisors is an integer number (1357056).

Almost surely, 2^64854480 is an apocalyptic number.

64854480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64854480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108564480).

64854480 is an abundant number, since it is smaller than the sum of its proper divisors (152274480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64854480 is a wasteful number, since it uses less digits than its factorization.

64854480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 64854480 is about 8053.2279242550. The cubic root of 64854480 is about 401.7723024292.

The spelling of 64854480 in words is "sixty-four million, eight hundred fifty-four thousand, four hundred eighty".