4272400409 has 4 divisors (see below), whose sum is σ = 4330926516. Its totient is φ = 4213874304.

The previous prime is 4272400399. The next prime is 4272400417. The reversal of 4272400409 is 9040042724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3320986384 + 951414025 = 57628^2 + 30845^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272400409 - 2⁴ = 4272400393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4272400459) 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, 29262944 + ... + 29263089.

It is an arithmetic number, because the mean of its divisors is an integer number (1082731629).

Almost surely, 2^4272400409 is an apocalyptic number.

It is an amenable number.

4272400409 is a deficient number, since it is larger than the sum of its proper divisors (58526107).

4272400409 is an equidigital number, since it uses as much as digits as its factorization.

4272400409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58526106.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 4272400409 is about 65363.6015608075. The cubic root of 4272400409 is about 1622.6467440082.

The spelling of 4272400409 in words is "four billion, two hundred seventy-two million, four hundred thousand, four hundred nine".