4171428990 has 32 divisors (see below), whose sum is σ = 11123811360. Its totient is φ = 1112380992.

The previous prime is 4171428973. The next prime is 4171428997. The reversal of 4171428990 is 998241714.

It is a happy number.

4171428990 is a `hidden beast` number, since 417 + 142 + 8 + 9 + 90 = 666.

It is a super-2 number, since 2×4171428990² = 34801639637224840200, 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 not an unprimeable number, because it can be changed into a prime (4171428997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7724599 + ... + 7725138.

It is an arithmetic number, because the mean of its divisors is an integer number (347619105).

Almost surely, 2^4171428990 is an apocalyptic number.

4171428990 is an abundant number, since it is smaller than the sum of its proper divisors (6952382370).

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

4171428990 is a wasteful number, since it uses less digits than its factorization.

4171428990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449753 (or 15449747 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4171428990 is about 64586.6007001452. The cubic root of 4171428990 is about 1609.7618039392.

The spelling of 4171428990 in words is "four billion, one hundred seventy-one million, four hundred twenty-eight thousand, nine hundred ninety".