2154112704 has 140 divisors (see below), whose sum is σ = 6761357064. Its totient is φ = 675772416.

The previous prime is 2154112693. The next prime is 2154112711. The reversal of 2154112704 is 4072114512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75907 + ... + 100349.

Almost surely, 2^2154112704 is an apocalyptic number.

2154112704 is a gapful number since it is divisible by the number (24) 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 2154112704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3380678532).

2154112704 is an abundant number, since it is smaller than the sum of its proper divisors (4607244360).

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

2154112704 is a wasteful number, since it uses less digits than its factorization.

2154112704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484 (or 24465 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2154112704 is about 46412.4197171404. The cubic root of 2154112704 is about 1291.4853199576.

The spelling of 2154112704 in words is "two billion, one hundred fifty-four million, one hundred twelve thousand, seven hundred four".