351227880 has 128 divisors (see below), whose sum is σ = 1175126400. Its totient is φ = 93312000.

The previous prime is 351227879. The next prime is 351227881. The reversal of 351227880 is 88722153.

351227880 is a `hidden beast` number, since 351 + 227 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (351227879) and next prime (351227881).

It is a super-2 number, since 2×351227880² = 246722047378588800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (351227881) 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, 432675 + ... + 433485.

It is an arithmetic number, because the mean of its divisors is an integer number (9180675).

Almost surely, 2^351227880 is an apocalyptic number.

351227880 is a gapful number since it is divisible by the number (30) 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 351227880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587563200).

351227880 is an abundant number, since it is smaller than the sum of its proper divisors (823898520).

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

351227880 is a wasteful number, since it uses less digits than its factorization.

351227880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 351227880 is about 18741.0746756956. The cubic root of 351227880 is about 705.5530291746.

The spelling of 351227880 in words is "three hundred fifty-one million, two hundred twenty-seven thousand, eight hundred eighty".