4006890752 has 36 divisors (see below), whose sum is σ = 8468616996. Its totient is φ = 1885593600.

The previous prime is 4006890749. The next prime is 4006890761. The reversal of 4006890752 is 2570986004.

It can be written as a sum of positive squares in 2 ways, for example, as 2744083456 + 1262807296 = 52384^2 + 35536^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455999 + ... + 464702.

It is an arithmetic number, because the mean of its divisors is an integer number (235239361).

Almost surely, 2^4006890752 is an apocalyptic number.

It is an amenable number.

4006890752 is an abundant number, since it is smaller than the sum of its proper divisors (4461726244).

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

4006890752 is an equidigital number, since it uses as much as digits as its factorization.

4006890752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920734 (or 920720 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 4006890752 is about 63300.0059399681. The cubic root of 4006890752 is about 1588.3120612878.

The spelling of 4006890752 in words is "four billion, six million, eight hundred ninety thousand, seven hundred fifty-two".