351018090 has 128 divisors (see below), whose sum is σ = 967680000. Its totient is φ = 90497088.

The previous prime is 351018089. The next prime is 351018113. The reversal of 351018090 is 90810153.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1763811 + ... + 1764009.

It is an arithmetic number, because the mean of its divisors is an integer number (7560000).

Almost surely, 2^351018090 is an apocalyptic number.

351018090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 351018090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483840000).

351018090 is an abundant number, since it is smaller than the sum of its proper divisors (616661910).

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

351018090 is a wasteful number, since it uses less digits than its factorization.

351018090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 351018090 is about 18735.4767753586. The cubic root of 351018090 is about 705.4125245253.

The spelling of 351018090 in words is "three hundred fifty-one million, eighteen thousand, ninety".