1799154004446 has 16 divisors (see below), whose sum is σ = 3998120010000. Its totient is φ = 599718001464.

The previous prime is 1799154004391. The next prime is 1799154004451. The reversal of 1799154004446 is 6444004519971.

It is a happy number.

1799154004446 is a `hidden beast` number, since 1 + 7 + 9 + 91 + 540 + 0 + 4 + 4 + 4 + 6 = 666.

It is a super-3 number, since 3×1799154004446³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 33317666749 = 1799154004446 / (1 + 7 + 9 + 9 + 1 + 5 + 4 + 0 + 0 + 4 + 4 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 1799154004392 and 1799154004401.

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, 16658833321 + ... + 16658833428.

It is an arithmetic number, because the mean of its divisors is an integer number (249882500625).

Almost surely, 2^{1799154004446} is an apocalyptic number.

1799154004446 is an abundant number, since it is smaller than the sum of its proper divisors (2198966005554).

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

1799154004446 is a wasteful number, since it uses less digits than its factorization.

1799154004446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33317666760 (or 33317666754 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 1799154004446 in words is "one trillion, seven hundred ninety-nine billion, one hundred fifty-four million, four thousand, four hundred forty-six".