351147221480 has 64 divisors (see below), whose sum is σ = 863897832000. Its totient is φ = 127394933760.

The previous prime is 351147221461. The next prime is 351147221483. The reversal of 351147221480 is 84122741153.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (351147221483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731030 + ... + 1112069.

It is an arithmetic number, because the mean of its divisors is an integer number (13498403625).

Almost surely, 2^351147221480 is an apocalyptic number.

It is an amenable number.

351147221480 is an abundant number, since it is smaller than the sum of its proper divisors (512750610520).

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

351147221480 is a wasteful number, since it uses less digits than its factorization.

351147221480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843554 (or 1843550 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 351147221480 in words is "three hundred fifty-one billion, one hundred forty-seven million, two hundred twenty-one thousand, four hundred eighty".