2400034021 has 8 divisors (see below), whose sum is σ = 2992250304. Its totient is φ = 1870156320.

The previous prime is 2400034019. The next prime is 2400034031. The reversal of 2400034021 is 1204300042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2400034021 - 2¹ = 2400034019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400033986 and 2400034004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400034031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15584560 + ... + 15584713.

It is an arithmetic number, because the mean of its divisors is an integer number (374031288).

Almost surely, 2^2400034021 is an apocalyptic number.

It is an amenable number.

2400034021 is a deficient number, since it is larger than the sum of its proper divisors (592216283).

2400034021 is a wasteful number, since it uses less digits than its factorization.

2400034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31169291.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2400034021 is about 48990.1420798103. The cubic root of 2400034021 is about 1338.8722264618.

Adding to 2400034021 its reverse (1204300042), we get a palindrome (3604334063).

The spelling of 2400034021 in words is "two billion, four hundred million, thirty-four thousand, twenty-one".