4086990432 has 240 divisors, whose sum is σ = 14020221600. Its totient is φ = 1167457536.

The previous prime is 4086990407. The next prime is 4086990469. The reversal of 4086990432 is 2340996804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 886758 + ... + 891354.

It is an arithmetic number, because the mean of its divisors is an integer number (58417590).

Almost surely, 2^4086990432 is an apocalyptic number.

4086990432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4086990432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7010110800).

4086990432 is an abundant number, since it is smaller than the sum of its proper divisors (9933231168).

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

4086990432 is an equidigital number, since it uses as much as digits as its factorization.

4086990432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 4086990432 is about 63929.5740013963. The cubic root of 4086990432 is about 1598.8260179812.

The spelling of 4086990432 in words is "four billion, eighty-six million, nine hundred ninety thousand, four hundred thirty-two".