4004212340 has 24 divisors (see below), whose sum is σ = 8680100352. Its totient is φ = 1550017440.

The previous prime is 4004212339. The next prime is 4004212363. The reversal of 4004212340 is 432124004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 3228584 + ... + 3229823.

It is an arithmetic number, because the mean of its divisors is an integer number (361670848).

Almost surely, 2^4004212340 is an apocalyptic number.

It is an amenable number.

4004212340 is an abundant number, since it is smaller than the sum of its proper divisors (4675888012).

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

4004212340 is a wasteful number, since it uses less digits than its factorization.

4004212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458447 (or 6458445 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4004212340 is about 63278.8459123584. The cubic root of 4004212340 is about 1587.9580792272.

Adding to 4004212340 its reverse (432124004), we get a palindrome (4436336344).

The spelling of 4004212340 in words is "four billion, four million, two hundred twelve thousand, three hundred forty".