4351297121280 has 1408 divisors, whose sum is σ = 17114465894400. Its totient is φ = 1044578304000.

The previous prime is 4351297121231. The next prime is 4351297121333. The reversal of 4351297121280 is 821217921534.

4351297121280 is a `hidden beast` number, since 4 + 3 + 512 + 9 + 7 + 1 + 2 + 128 + 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, 3780448705 + ... + 3780449855.

Almost surely, 2^{4351297121280} is an apocalyptic number.

4351297121280 is a gapful number since it is divisible by the number (40) 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 4351297121280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8557232947200).

4351297121280 is an abundant number, since it is smaller than the sum of its proper divisors (12763168773120).

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

4351297121280 is a wasteful number, since it uses less digits than its factorization.

4351297121280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 4351297121280 in words is "four trillion, three hundred fifty-one billion, two hundred ninety-seven million, one hundred twenty-one thousand, two hundred eighty".