99416279040 has 384 divisors, whose sum is σ = 345708155520. Its totient is φ = 24244125696.

The previous prime is 99416279023. The next prime is 99416279051. The reversal of 99416279040 is 4097261499.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45126579 + ... + 45128781.

It is an arithmetic number, because the mean of its divisors is an integer number (900281655).

Almost surely, 2^99416279040 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 99416279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172854077760).

99416279040 is an abundant number, since it is smaller than the sum of its proper divisors (246291876480).

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

99416279040 is a wasteful number, since it uses less digits than its factorization.

99416279040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 99416279040 in words is "ninety-nine billion, four hundred sixteen million, two hundred seventy-nine thousand, forty".