4040247690 has 24 divisors (see below), whose sum is σ = 10504644228. Its totient is φ = 1077399360.

The previous prime is 4040247667. The next prime is 4040247691. The reversal of 4040247690 is 967420404.

4040247690 is a `hidden beast` number, since 404 + 0 + 247 + 6 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3717218961 + 323028729 = 60969^2 + 17973^2 .

It is a super-2 number, since 2×4040247690² = 32647202793100672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4040247691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22445731 + ... + 22445910.

Almost surely, 2^4040247690 is an apocalyptic number.

4040247690 is an abundant number, since it is smaller than the sum of its proper divisors (6464396538).

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

4040247690 is a wasteful number, since it uses less digits than its factorization.

4040247690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44891654 (or 44891651 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4040247690 is about 63562.9427418209. The cubic root of 4040247690 is about 1592.7073963423.

The spelling of 4040247690 in words is "four billion, forty million, two hundred forty-seven thousand, six hundred ninety".