16869830040 has 512 divisors, whose sum is σ = 66512793600. Its totient is φ = 3723632640.

The previous prime is 16869830027. The next prime is 16869830053. The reversal of 16869830040 is 4003896861.

It is an interprime number because it is at equal distance from previous prime (16869830027) and next prime (16869830053).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28447984 + ... + 28448576.

It is an arithmetic number, because the mean of its divisors is an integer number (129907800).

Almost surely, 2^16869830040 is an apocalyptic number.

16869830040 is a gapful number since it is divisible by the number (10) 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 16869830040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33256396800).

16869830040 is an abundant number, since it is smaller than the sum of its proper divisors (49642963560).

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

16869830040 is a wasteful number, since it uses less digits than its factorization.

16869830040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 16869830040 in words is "sixteen billion, eight hundred sixty-nine million, eight hundred thirty thousand, forty".