89210040018 has 24 divisors (see below), whose sum is σ = 196114635024. Its totient is φ = 27033345240.

The previous prime is 89210040013. The next prime is 89210040019. The reversal of 89210040018 is 81004001298.

It is a super-2 number, since 2×89210040018² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (89210040013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61438696 + ... + 61440147.

It is an arithmetic number, because the mean of its divisors is an integer number (8171443126).

Almost surely, 2^89210040018 is an apocalyptic number.

89210040018 is an abundant number, since it is smaller than the sum of its proper divisors (106904595006).

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

89210040018 is a wasteful number, since it uses less digits than its factorization.

89210040018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122878870 (or 122878859 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 89210040018 in words is "eighty-nine billion, two hundred ten million, forty thousand, eighteen".