440488408040 has 16 divisors (see below), whose sum is σ = 991098918180. Its totient is φ = 176195363200.

The previous prime is 440488408001. The next prime is 440488408103. The reversal of 440488408040 is 40804884044.

It can be written as a sum of positive squares in 2 ways, for example, as 403471417636 + 37016990404 = 635194^2 + 192398^2 .

It is a super-2 number, since 2×440488408040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440488407982 and 440488408000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5506105061 + ... + 5506105140.

Almost surely, 2^440488408040 is an apocalyptic number.

440488408040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440488408040 is an abundant number, since it is smaller than the sum of its proper divisors (550610510140).

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

440488408040 is a wasteful number, since it uses less digits than its factorization.

440488408040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11012210212 (or 11012210208 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 440488408040 in words is "four hundred forty billion, four hundred eighty-eight million, four hundred eight thousand, forty".