89425187040 has 768 divisors, whose sum is σ = 351778775040. Its totient is φ = 18632540160.

The previous prime is 89425187021. The next prime is 89425187051. The reversal of 89425187040 is 4078152498.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 329982105 + ... + 329982375.

It is an arithmetic number, because the mean of its divisors is an integer number (458045280).

Almost surely, 2^89425187040 is an apocalyptic number.

89425187040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89425187040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175889387520).

89425187040 is an abundant number, since it is smaller than the sum of its proper divisors (262353588000).

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

89425187040 is a wasteful number, since it uses less digits than its factorization.

89425187040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 89425187040 in words is "eighty-nine billion, four hundred twenty-five million, one hundred eighty-seven thousand, forty".