440453356340 has 24 divisors (see below), whose sum is σ = 925045212840. Its totient is φ = 176163596928.

The previous prime is 440453356327. The next prime is 440453356451. The reversal of 440453356340 is 43653354044.

It can be written as a sum of positive squares in 4 ways, for example, as 37243596196 + 403209760144 = 192986^2 + 634988^2 .

It is a super-2 number, since 2×440453356340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904655 + ... + 1303574.

It is an arithmetic number, because the mean of its divisors is an integer number (38543550535).

Almost surely, 2^440453356340 is an apocalyptic number.

It is an amenable number.

440453356340 is an abundant number, since it is smaller than the sum of its proper divisors (484591856500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440453356340 is a wasteful number, since it uses less digits than its factorization.

440453356340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218211 (or 2218209 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 41.

The spelling of 440453356340 in words is "four hundred forty billion, four hundred fifty-three million, three hundred fifty-six thousand, three hundred forty".