2169102240 has 240 divisors, whose sum is σ = 7903526400. Its totient is φ = 559664640.

The previous prime is 2169102223. The next prime is 2169102281. The reversal of 2169102240 is 422019612.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 399061 + ... + 404459.

It is an arithmetic number, because the mean of its divisors is an integer number (32931360).

Almost surely, 2^2169102240 is an apocalyptic number.

2169102240 is a gapful number since it is divisible by the number (20) 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 2169102240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951763200).

2169102240 is an abundant number, since it is smaller than the sum of its proper divisors (5734424160).

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

2169102240 is a wasteful number, since it uses less digits than its factorization.

2169102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457 (or 5440 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2169102240 is about 46573.6217187369. The cubic root of 2169102240 is about 1294.4740269961.

The spelling of 2169102240 in words is "two billion, one hundred sixty-nine million, one hundred two thousand, two hundred forty".