2185458404002 has 16 divisors (see below), whose sum is σ = 3471213629952. Its totient is φ = 1028394285120.

The previous prime is 2185458403991. The next prime is 2185458404023. The reversal of 2185458404002 is 2004048545812.

It is a self number, because there is not a number n which added to its sum of digits gives 2185458404002.

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, 1144074 + ... + 2383237.

It is an arithmetic number, because the mean of its divisors is an integer number (216950851872).

Almost surely, 2^{2185458404002} is an apocalyptic number.

2185458404002 is a deficient number, since it is larger than the sum of its proper divisors (1285755225950).

2185458404002 is a wasteful number, since it uses less digits than its factorization.

2185458404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545553.

The product of its (nonzero) digits is 409600, while the sum is 43.

The spelling of 2185458404002 in words is "two trillion, one hundred eighty-five billion, four hundred fifty-eight million, four hundred four thousand, two".