99052240 has 80 divisors (see below), whose sum is σ = 266911488. Its totient is φ = 33481728.

The previous prime is 99052211. The next prime is 99052241. The reversal of 99052240 is 4225099.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×99052240² = 19622692498035200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99052241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39669 + ... + 42091.

Almost surely, 2^99052240 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 99052240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133455744).

99052240 is an abundant number, since it is smaller than the sum of its proper divisors (167859248).

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

99052240 is a wasteful number, since it uses less digits than its factorization.

99052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 99052240 is about 9952.4991836222. The cubic root of 99052240 is about 462.6878555113.

The spelling of 99052240 in words is "ninety-nine million, fifty-two thousand, two hundred forty".