64112884290 has 768 divisors, whose sum is σ = 222935731200. Its totient is φ = 13168189440.

The previous prime is 64112884273. The next prime is 64112884301. The reversal of 64112884290 is 9248821146.

It is a super-2 number, since 2×64112884290² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 660957522 + ... + 660957618.

It is an arithmetic number, because the mean of its divisors is an integer number (290280900).

Almost surely, 2^64112884290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64112884290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111467865600).

64112884290 is an abundant number, since it is smaller than the sum of its proper divisors (158822846910).

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

64112884290 is a wasteful number, since it uses less digits than its factorization.

64112884290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 64112884290 in words is "sixty-four billion, one hundred twelve million, eight hundred eighty-four thousand, two hundred ninety".