4002345404 has 12 divisors (see below), whose sum is σ = 7022394624. Its totient is φ = 1995946944.

The previous prime is 4002345401. The next prime is 4002345409. The reversal of 4002345404 is 4045432004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002345401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304717 + ... + 1307780.

It is an arithmetic number, because the mean of its divisors is an integer number (585199552).

Almost surely, 2^4002345404 is an apocalyptic number.

It is an amenable number.

4002345404 is a deficient number, since it is larger than the sum of its proper divisors (3020049220).

4002345404 is a wasteful number, since it uses less digits than its factorization.

4002345404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612884 (or 2612882 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 4002345404 is about 63264.0925328104. The cubic root of 4002345404 is about 1587.7112494126.

Adding to 4002345404 its reverse (4045432004), we get a palindrome (8047777408).

The spelling of 4002345404 in words is "four billion, two million, three hundred forty-five thousand, four hundred four".