4008667490 has 16 divisors (see below), whose sum is σ = 7640048952. Its totient is φ = 1509145344.

The previous prime is 4008667489. The next prime is 4008667511. The reversal of 4008667490 is 947668004.

It can be written as a sum of positive squares in 4 ways, for example, as 2451339121 + 1557328369 = 49511^2 + 39463^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11790029 + ... + 11790368.

Almost surely, 2^4008667490 is an apocalyptic number.

4008667490 is a deficient number, since it is larger than the sum of its proper divisors (3631381462).

4008667490 is a wasteful number, since it uses less digits than its factorization.

4008667490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23580421.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4008667490 is about 63314.0386486283. The cubic root of 4008667490 is about 1588.5467900388.

The spelling of 4008667490 in words is "four billion, eight million, six hundred sixty-seven thousand, four hundred ninety".