2874738438 has 160 divisors (see below), whose sum is σ = 7813757952. Its totient is φ = 777988800.

The previous prime is 2874738431. The next prime is 2874738443. The reversal of 2874738438 is 8348374782.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874738431) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 716145 + ... + 720147.

Almost surely, 2^2874738438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2874738438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3906878976).

2874738438 is an abundant number, since it is smaller than the sum of its proper divisors (4939019514).

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

2874738438 is a wasteful number, since it uses less digits than its factorization.

2874738438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072 (or 4063 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 2874738438 is about 53616.5873401133. The cubic root of 2874738438 is about 1421.8903670218.

The spelling of 2874738438 in words is "two billion, eight hundred seventy-four million, seven hundred thirty-eight thousand, four hundred thirty-eight".