4190087538 has 96 divisors (see below), whose sum is σ = 11190082176. Its totient is φ = 1103445504.

The previous prime is 4190087471. The next prime is 4190087543. The reversal of 4190087538 is 8357800914.

It is a super-2 number, since 2×4190087538² = 35113667152205802888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4190087493 and 4190087502.

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, 1444906 + ... + 1447802.

It is an arithmetic number, because the mean of its divisors is an integer number (116563356).

Almost surely, 2^4190087538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4190087538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5595041088).

4190087538 is an abundant number, since it is smaller than the sum of its proper divisors (6999994638).

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

4190087538 is a wasteful number, since it uses less digits than its factorization.

4190087538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 4190087538 is about 64730.8855029807. The cubic root of 4190087538 is about 1612.1583564648.

The spelling of 4190087538 in words is "four billion, one hundred ninety million, eighty-seven thousand, five hundred thirty-eight".