4000209212924 has 48 divisors (see below), whose sum is σ = 7549285877280. Its totient is φ = 1848436162560.

The previous prime is 4000209212869. The next prime is 4000209212959. The reversal of 4000209212924 is 4292129020004.

It is a congruent number.

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, 34133372 + ... + 34250364.

It is an arithmetic number, because the mean of its divisors is an integer number (157276789110).

Almost surely, 2^{4000209212924} is an apocalyptic number.

It is an amenable number.

4000209212924 is a deficient number, since it is larger than the sum of its proper divisors (3549076664356).

4000209212924 is a wasteful number, since it uses less digits than its factorization.

4000209212924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128030 (or 128028 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 4000209212924 in words is "four trillion, two hundred nine million, two hundred twelve thousand, nine hundred twenty-four".