64430336055360 has 336 divisors, whose sum is σ = 227080203045696. Its totient is φ = 15464824320000.

The previous prime is 64430336055359. The next prime is 64430336055389. The reversal of 64430336055360 is 6355063303446.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8986275 + ... + 14478045.

It is an arithmetic number, because the mean of its divisors is an integer number (675833937636).

Almost surely, 2^{64430336055360} is an apocalyptic number.

64430336055360 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 64430336055360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113540101522848).

64430336055360 is an abundant number, since it is smaller than the sum of its proper divisors (162649866990336).

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

64430336055360 is a wasteful number, since it uses less digits than its factorization.

64430336055360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491914 (or 5491893 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 48.

It can be divided in two parts, 644303 and 36055360, that added together give a palindrome (36699663).

The spelling of 64430336055360 in words is "sixty-four trillion, four hundred thirty billion, three hundred thirty-six million, fifty-five thousand, three hundred sixty".