64259701380 has 384 divisors, whose sum is σ = 243971481600. Its totient is φ = 13721799168.

The previous prime is 64259701333. The next prime is 64259701409. The reversal of 64259701380 is 8310795246.

64259701380 is a `hidden beast` number, since 6 + 42 + 597 + 0 + 13 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3729826 + ... + 3747014.

It is an arithmetic number, because the mean of its divisors is an integer number (635342400).

It is a 1-persistent number, because it is pandigital, but 2⋅64259701380 = 128519402760 is not.

Almost surely, 2^64259701380 is an apocalyptic number.

64259701380 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 64259701380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121985740800).

64259701380 is an abundant number, since it is smaller than the sum of its proper divisors (179711780220).

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

64259701380 is a wasteful number, since it uses less digits than its factorization.

64259701380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17280 (or 17272 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 64259701380 in words is "sixty-four billion, two hundred fifty-nine million, seven hundred one thousand, three hundred eighty".