64260000 has 480 divisors, whose sum is σ = 283409280. Its totient is φ = 13824000.

The previous prime is 64259989. The next prime is 64260029. The reversal of 64260000 is 6246.

64260000 is a `hidden beast` number, since 64 + 2 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3779992 + ... + 3780008.

It is an arithmetic number, because the mean of its divisors is an integer number (590436).

Almost surely, 2^64260000 is an apocalyptic number.

64260000 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 64260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141704640).

64260000 is an abundant number, since it is smaller than the sum of its proper divisors (219149280).

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

64260000 is a wasteful number, since it uses less digits than its factorization.

64260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 64260000 is about 8016.2335295324. The cubic root of 64260000 is about 400.5409348107.

Adding to 64260000 its reverse (6246), we get a palindrome (64266246).

The spelling of 64260000 in words is "sixty-four million, two hundred sixty thousand".