99762755040 has 432 divisors, whose sum is σ = 369977969088. Its totient is φ = 24468148224.

The previous prime is 99762755021. The next prime is 99762755041. The reversal of 99762755040 is 4055726799.

99762755040 is a `hidden beast` number, since 9 + 9 + 7 + 62 + 75 + 504 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99762755041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 89312562 + ... + 89313678.

It is an arithmetic number, because the mean of its divisors is an integer number (856430484).

Almost surely, 2^99762755040 is an apocalyptic number.

99762755040 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 99762755040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184988984544).

99762755040 is an abundant number, since it is smaller than the sum of its proper divisors (270215214048).

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

99762755040 is a wasteful number, since it uses less digits than its factorization.

99762755040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 99762755040 in words is "ninety-nine billion, seven hundred sixty-two million, seven hundred fifty-five thousand, forty".