63470527021440 has 768 divisors, whose sum is σ = 287634757363200. Its totient is φ = 12494538178560.

The previous prime is 63470527021397. The next prime is 63470527021453. The reversal of 63470527021440 is 4412072507436.

63470527021440 is a `hidden beast` number, since 6 + 3 + 4 + 70 + 52 + 70 + 21 + 440 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4660924 + ... + 12192836.

It is an arithmetic number, because the mean of its divisors is an integer number (374524423650).

Almost surely, 2^{63470527021440} is an apocalyptic number.

63470527021440 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 63470527021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143817378681600).

63470527021440 is an abundant number, since it is smaller than the sum of its proper divisors (224164230341760).

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

63470527021440 is a wasteful number, since it uses less digits than its factorization.

63470527021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531975 (or 7531960 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

Adding to 63470527021440 its reverse (4412072507436), we get a palindrome (67882599528876).

The spelling of 63470527021440 in words is "sixty-three trillion, four hundred seventy billion, five hundred twenty-seven million, twenty-one thousand, four hundred forty".