99474186240 has 1792 divisors, whose sum is σ = 451824791040. Its totient is φ = 20384317440.

The previous prime is 99474186199. The next prime is 99474186271. The reversal of 99474186240 is 4268147499.

99474186240 is a `hidden beast` number, since 9 + 9 + 4 + 7 + 4 + 1 + 8 + 624 + 0 = 666.

It is a super-2 number, since 2×99474186240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2688491502 + ... + 2688491538.

It is an arithmetic number, because the mean of its divisors is an integer number (252134370).

Almost surely, 2^99474186240 is an apocalyptic number.

99474186240 is a gapful number since it is divisible by the number (90) 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 99474186240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225912395520).

99474186240 is an abundant number, since it is smaller than the sum of its proper divisors (352350604800).

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

99474186240 is a wasteful number, since it uses less digits than its factorization.

99474186240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 99474186240 in words is "ninety-nine billion, four hundred seventy-four million, one hundred eighty-six thousand, two hundred forty".