4007913890 has 16 divisors (see below), whose sum is σ = 7313071608. Its totient is φ = 1581204096.

The previous prime is 4007913887. The next prime is 4007913947. The reversal of 4007913890 is 983197004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3989311921 + 18601969 = 63161^2 + 4313^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744417 + ... + 2745876.

Almost surely, 2^4007913890 is an apocalyptic number.

4007913890 is a deficient number, since it is larger than the sum of its proper divisors (3305157718).

4007913890 is a wasteful number, since it uses less digits than its factorization.

4007913890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490373.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 4007913890 is about 63308.0870821414. The cubic root of 4007913890 is about 1588.4472387632.

The spelling of 4007913890 in words is "four billion, seven million, nine hundred thirteen thousand, eight hundred ninety".