4400539457 has 4 divisors (see below), whose sum is σ = 4402503600. Its totient is φ = 4398575316.

The previous prime is 4400539393. The next prime is 4400539483. The reversal of 4400539457 is 7549350044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4400539457 - 2⁶ = 4400539393 is a prime.

It is a super-2 number, since 2×4400539457² = 38729495025227709698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400539357) 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, 978707 + ... + 983192.

It is an arithmetic number, because the mean of its divisors is an integer number (1100625900).

Almost surely, 2^4400539457 is an apocalyptic number.

It is an amenable number.

4400539457 is a deficient number, since it is larger than the sum of its proper divisors (1964143).

4400539457 is a wasteful number, since it uses less digits than its factorization.

4400539457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964142.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 4400539457 is about 66336.5619926146. The cubic root of 4400539457 is about 1638.7095064335.

The spelling of 4400539457 in words is "four billion, four hundred million, five hundred thirty-nine thousand, four hundred fifty-seven".