4076639840 has 192 divisors, whose sum is σ = 12144504960. Its totient is φ = 1258536960.

The previous prime is 4076639783. The next prime is 4076639891. The reversal of 4076639840 is 489366704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593546 + ... + 600374.

It is an arithmetic number, because the mean of its divisors is an integer number (63252630).

Almost surely, 2^4076639840 is an apocalyptic number.

4076639840 is a gapful number since it is divisible by the number (40) 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 4076639840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6072252480).

4076639840 is an abundant number, since it is smaller than the sum of its proper divisors (8067865120).

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

4076639840 is a wasteful number, since it uses less digits than its factorization.

4076639840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905 (or 6897 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 4076639840 is about 63848.5696002659. The cubic root of 4076639840 is about 1597.4751636801.

The spelling of 4076639840 in words is "four billion, seventy-six million, six hundred thirty-nine thousand, eight hundred forty".