3549428190 has 288 divisors, whose sum is σ = 12330714240. Its totient is φ = 698544000.

The previous prime is 3549428189. The next prime is 3549428219. The reversal of 3549428190 is 918249453.

3549428190 is a `hidden beast` number, since 35 + 4 + 9 + 428 + 190 = 666.

It is a super-2 number, since 2×3549428190² = 25196880951933352200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 919765 + ... + 923615.

It is an arithmetic number, because the mean of its divisors is an integer number (42814980).

Almost surely, 2^3549428190 is an apocalyptic number.

3549428190 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 3549428190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6165357120).

3549428190 is an abundant number, since it is smaller than the sum of its proper divisors (8781286050).

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

3549428190 is a wasteful number, since it uses less digits than its factorization.

3549428190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3898 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3549428190 is about 59577.0777228961. The cubic root of 3549428190 is about 1525.4083922808.

The spelling of 3549428190 in words is "three billion, five hundred forty-nine million, four hundred twenty-eight thousand, one hundred ninety".