351228923280 has 160 divisors (see below), whose sum is σ = 1220495454720. Its totient is φ = 92832122880.

The previous prime is 351228923267. The next prime is 351228923281. The reversal of 351228923280 is 82329822153.

351228923280 is a `hidden beast` number, since 3 + 512 + 28 + 9 + 2 + 32 + 80 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (351228923281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475416 + ... + 963575.

It is an arithmetic number, because the mean of its divisors is an integer number (7628096592).

Almost surely, 2^351228923280 is an apocalyptic number.

351228923280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351228923280 is an abundant number, since it is smaller than the sum of its proper divisors (869266531440).

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

351228923280 is a wasteful number, since it uses less digits than its factorization.

351228923280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439126 (or 1439114 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 351228923280 in words is "three hundred fifty-one billion, two hundred twenty-eight million, nine hundred twenty-three thousand, two hundred eighty".