64651462260 has 384 divisors, whose sum is σ = 240603955200. Its totient is φ = 12564564480.

The previous prime is 64651462259. The next prime is 64651462277. The reversal of 64651462260 is 6226415646.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 6929959 + ... + 6939281.

It is an arithmetic number, because the mean of its divisors is an integer number (626572800).

Almost surely, 2^64651462260 is an apocalyptic number.

64651462260 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 64651462260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120301977600).

64651462260 is an abundant number, since it is smaller than the sum of its proper divisors (175952492940).

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

64651462260 is a wasteful number, since it uses less digits than its factorization.

64651462260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451 (or 9449 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

It can be divided in two parts, 6465146 and 2260, that added together give a triangular number (6467406 = T₃₅₉₆).

The spelling of 64651462260 in words is "sixty-four billion, six hundred fifty-one million, four hundred sixty-two thousand, two hundred sixty".