4090512538 has 16 divisors (see below), whose sum is σ = 7074365760. Its totient is φ = 1737562176.

The previous prime is 4090512499. The next prime is 4090512551. The reversal of 4090512538 is 8352150904.

It is a junction number, because it is equal to n+sod(n) for n = 4090512497 and 4090512506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291248 + ... + 1294411.

It is an arithmetic number, because the mean of its divisors is an integer number (442147860).

Almost surely, 2^4090512538 is an apocalyptic number.

4090512538 is a deficient number, since it is larger than the sum of its proper divisors (2983853222).

4090512538 is a wasteful number, since it uses less digits than its factorization.

4090512538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585781.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 4090512538 is about 63957.1148348642. The cubic root of 4090512538 is about 1599.2851674003.

The spelling of 4090512538 in words is "four billion, ninety million, five hundred twelve thousand, five hundred thirty-eight".