99247590450 has 144 divisors (see below), whose sum is σ = 271966968000. Its totient is φ = 25940476800.

The previous prime is 99247590389. The next prime is 99247590473. The reversal of 99247590450 is 5409574299.

99247590450 is a `hidden beast` number, since 9 + 9 + 2 + 4 + 7 + 590 + 45 + 0 = 666.

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, 9260595 + ... + 9271305.

It is an arithmetic number, because the mean of its divisors is an integer number (1888659500).

Almost surely, 2^99247590450 is an apocalyptic number.

99247590450 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99247590450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135983484000).

99247590450 is an abundant number, since it is smaller than the sum of its proper divisors (172719377550).

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

99247590450 is a wasteful number, since it uses less digits than its factorization.

99247590450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11137 (or 11129 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 99247590450 in words is "ninety-nine billion, two hundred forty-seven million, five hundred ninety thousand, four hundred fifty".