889993040004 has 36 divisors (see below), whose sum is σ = 2258667618480. Its totient is φ = 295482414000.

The previous prime is 889993039877. The next prime is 889993040033. The reversal of 889993040004 is 400040399988.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×889993040004² (a number of 25 digits) contains 22 as substring.

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, 49238034 + ... + 49256105.

It is an arithmetic number, because the mean of its divisors is an integer number (62740767180).

Almost surely, 2^889993040004 is an apocalyptic number.

It is an amenable number.

889993040004 is an abundant number, since it is smaller than the sum of its proper divisors (1368674578476).

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

889993040004 is a wasteful number, since it uses less digits than its factorization.

889993040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98494400 (or 98494395 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 889993040004 in words is "eight hundred eighty-nine billion, nine hundred ninety-three million, forty thousand, four".