440023619898 has 24 divisors (see below), whose sum is σ = 953413257888. Its totient is φ = 146670117192.

The previous prime is 440023619857. The next prime is 440023619923. The reversal of 440023619898 is 898916320044.

440023619898 is a `hidden beast` number, since 4 + 400 + 2 + 3 + 61 + 98 + 98 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275365 + ... + 977687.

It is an arithmetic number, because the mean of its divisors is an integer number (39725552412).

Almost surely, 2^440023619898 is an apocalyptic number.

440023619898 is an abundant number, since it is smaller than the sum of its proper divisors (513389637990).

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

440023619898 is a wasteful number, since it uses less digits than its factorization.

440023619898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737138 (or 737135 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 440023619898 in words is "four hundred forty billion, twenty-three million, six hundred nineteen thousand, eight hundred ninety-eight".