440556161242540 has 48 divisors (see below), whose sum is σ = 1091442360766464. Its totient is φ = 146175316171200.

The previous prime is 440556161242513. The next prime is 440556161242649. The reversal of 440556161242540 is 45242161655044.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50755313776 + ... + 50755322455.

It is an arithmetic number, because the mean of its divisors is an integer number (22738382515968).

Almost surely, 2^{440556161242540} is an apocalyptic number.

It is an amenable number.

440556161242540 is an abundant number, since it is smaller than the sum of its proper divisors (650886199523924).

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

440556161242540 is a wasteful number, since it uses less digits than its factorization.

440556161242540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101510636278 (or 101510636276 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 440556161242540 in words is "four hundred forty trillion, five hundred fifty-six billion, one hundred sixty-one million, two hundred forty-two thousand, five hundred forty".