89636748229940 has 24 divisors (see below), whose sum is σ = 188274175068672. Its totient is φ = 35847650951840.

The previous prime is 89636748229939. The next prime is 89636748229949. The reversal of 89636748229940 is 4992284763698.

It is a super-2 number, since 2×89636748229940² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89636748229949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440416976 + ... + 440620455.

It is an arithmetic number, because the mean of its divisors is an integer number (7844757294528).

Almost surely, 2^{89636748229940} is an apocalyptic number.

It is an amenable number.

89636748229940 is an abundant number, since it is smaller than the sum of its proper divisors (98637426838732).

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

89636748229940 is a wasteful number, since it uses less digits than its factorization.

89636748229940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881042527 (or 881042525 counting only the distinct ones).

The product of its (nonzero) digits is 2257403904, while the sum is 77.

The spelling of 89636748229940 in words is "eighty-nine trillion, six hundred thirty-six billion, seven hundred forty-eight million, two hundred twenty-nine thousand, nine hundred forty".