2889400740 has 48 divisors (see below), whose sum is σ = 8135050560. Its totient is φ = 766247040.

The previous prime is 2889400729. The next prime is 2889400741. The reversal of 2889400740 is 470049882.

It is a junction number, because it is equal to n+sod(n) for n = 2889400692 and 2889400701.

It is not an unprimeable number, because it can be changed into a prime (2889400741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122170 + ... + 143889.

It is an arithmetic number, because the mean of its divisors is an integer number (169480220).

Almost surely, 2^2889400740 is an apocalyptic number.

2889400740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2889400740 is an abundant number, since it is smaller than the sum of its proper divisors (5245649820).

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

2889400740 is a wasteful number, since it uses less digits than its factorization.

2889400740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266252 (or 266250 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 2889400740 is about 53753.1463265175. The cubic root of 2889400740 is about 1424.3036696408.

The spelling of 2889400740 in words is "two billion, eight hundred eighty-nine million, four hundred thousand, seven hundred forty".