4145990490 has 96 divisors (see below), whose sum is σ = 10993142160. Its totient is φ = 1083912192.

The previous prime is 4145990483. The next prime is 4145990503. The reversal of 4145990490 is 940995414.

4145990490 is a `hidden beast` number, since 4 + 14 + 599 + 0 + 49 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3508074441 + 637916049 = 59229^2 + 25257^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 949392 + ... + 953748.

Almost surely, 2^4145990490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145990490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5496571080).

4145990490 is an abundant number, since it is smaller than the sum of its proper divisors (6847151670).

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

4145990490 is a wasteful number, since it uses less digits than its factorization.

4145990490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 4145990490 is about 64389.3662804659. The cubic root of 4145990490 is about 1606.4828756112.

The spelling of 4145990490 in words is "four billion, one hundred forty-five million, nine hundred ninety thousand, four hundred ninety".