4040402340 has 48 divisors (see below), whose sum is σ = 12183369408. Its totient is φ = 994560384.

The previous prime is 4040402339. The next prime is 4040402363. The reversal of 4040402340 is 432040404.

4040402340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589222 + ... + 2590781.

It is an arithmetic number, because the mean of its divisors is an integer number (253820196).

Almost surely, 2^4040402340 is an apocalyptic number.

It is an amenable number.

4040402340 is an abundant number, since it is smaller than the sum of its proper divisors (8142967068).

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

4040402340 is a wasteful number, since it uses less digits than its factorization.

4040402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180028 (or 5180026 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4040402340 is about 63564.1592408804. The cubic root of 4040402340 is about 1592.7277176258.

Adding to 4040402340 its reverse (432040404), we get a palindrome (4472442744).

The spelling of 4040402340 in words is "four billion, forty million, four hundred two thousand, three hundred forty".