89452440 has 288 divisors, whose sum is σ = 369729360. Its totient is φ = 18547200.

The previous prime is 89452439. The next prime is 89452457. The reversal of 89452440 is 4425498.

89452440 is a `hidden beast` number, since 8 + 94 + 524 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 89452395 and 89452404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 193810 + ... + 194270.

Almost surely, 2^89452440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89452440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184864680).

89452440 is an abundant number, since it is smaller than the sum of its proper divisors (280276920).

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

89452440 is a wasteful number, since it uses less digits than its factorization.

89452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 89452440 is about 9457.9300060848. The cubic root of 89452440 is about 447.2297964131.

The spelling of 89452440 in words is "eighty-nine million, four hundred fifty-two thousand, four hundred forty".