99598343040 has 256 divisors, whose sum is σ = 403136640000. Its totient is φ = 22765307904.

The previous prime is 99598343029. The next prime is 99598343041. The reversal of 99598343040 is 4034389599.

99598343040 is a `hidden beast` number, since 9 + 9 + 598 + 3 + 4 + 3 + 0 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99598343041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290740 + ... + 532659.

It is an arithmetic number, because the mean of its divisors is an integer number (1574752500).

Almost surely, 2^99598343040 is an apocalyptic number.

99598343040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99598343040 is an abundant number, since it is smaller than the sum of its proper divisors (303538296960).

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

99598343040 is a wasteful number, since it uses less digits than its factorization.

99598343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823434 (or 823416 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 99598343040 in words is "ninety-nine billion, five hundred ninety-eight million, three hundred forty-three thousand, forty".