99270671040 has 392 divisors, whose sum is σ = 373090653360. Its totient is φ = 25077786624.

The previous prime is 99270670997. The next prime is 99270671057. The reversal of 99270671040 is 4017607299.

It is a super-2 number, since 2×99270671040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4421122 + ... + 4443518.

Almost surely, 2^99270671040 is an apocalyptic number.

99270671040 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 99270671040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186545326680).

99270671040 is an abundant number, since it is smaller than the sum of its proper divisors (273819982320).

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

99270671040 is a wasteful number, since it uses less digits than its factorization.

99270671040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451 (or 22426 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 99270671040 in words is "ninety-nine billion, two hundred seventy million, six hundred seventy-one thousand, forty".