440721337051 has 4 divisors (see below), whose sum is σ = 441768181504. Its totient is φ = 439674492600.

The previous prime is 440721337037. The next prime is 440721337057. The reversal of 440721337051 is 150733127044.

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

It is a cyclic number.

It is not a de Polignac number, because 440721337051 - 2³³ = 432131402459 is a prime.

It is a super-2 number, since 2×440721337051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440721337051.

It is not an unprimeable number, because it can be changed into a prime (440721337057) 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, 523421595 + ... + 523422436.

It is an arithmetic number, because the mean of its divisors is an integer number (110442045376).

Almost surely, 2^440721337051 is an apocalyptic number.

440721337051 is a deficient number, since it is larger than the sum of its proper divisors (1046844453).

440721337051 is a wasteful number, since it uses less digits than its factorization.

440721337051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046844452.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 440721337051 in words is "four hundred forty billion, seven hundred twenty-one million, three hundred thirty-seven thousand, fifty-one".