4015049986 has 8 divisors (see below), whose sum is σ = 6023864844. Its totient is φ = 2007095040.

The previous prime is 4015049981. The next prime is 4015050001. The reversal of 4015049986 is 6899405104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3662549361 + 352500625 = 60519^2 + 18775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4015049986² = 32241252780157200392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4015049981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203175 + ... + 222058.

Almost surely, 2^4015049986 is an apocalyptic number.

4015049986 is a deficient number, since it is larger than the sum of its proper divisors (2008814858).

4015049986 is a wasteful number, since it uses less digits than its factorization.

4015049986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429956.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 4015049986 is about 63364.4220836898. The cubic root of 4015049986 is about 1589.3894239359.

The spelling of 4015049986 in words is "four billion, fifteen million, forty-nine thousand, nine hundred eighty-six".