440051453 has 4 divisors (see below), whose sum is σ = 440253408. Its totient is φ = 439849500.

The previous prime is 440051449. The next prime is 440051537. The reversal of 440051453 is 354150044.

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 440051453 - 2² = 440051449 is a prime.

It is a super-2 number, since 2×440051453² = 387290562574822418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440051653) 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, 97673 + ... + 102078.

It is an arithmetic number, because the mean of its divisors is an integer number (110063352).

Almost surely, 2^440051453 is an apocalyptic number.

It is an amenable number.

440051453 is a deficient number, since it is larger than the sum of its proper divisors (201955).

440051453 is a wasteful number, since it uses less digits than its factorization.

440051453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201954.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 440051453 is about 20977.4033903150. The cubic root of 440051453 is about 760.6201384684.

The spelling of 440051453 in words is "four hundred forty million, fifty-one thousand, four hundred fifty-three".