2789023740 has 192 divisors, whose sum is σ = 8626673664. Its totient is φ = 670298112.

The previous prime is 2789023709. The next prime is 2789023753. The reversal of 2789023740 is 473209872.

It is a junction number, because it is equal to n+sod(n) for n = 2789023692 and 2789023701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2528029 + ... + 2529131.

It is an arithmetic number, because the mean of its divisors is an integer number (44930592).

Almost surely, 2^2789023740 is an apocalyptic number.

2789023740 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 2789023740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4313336832).

2789023740 is an abundant number, since it is smaller than the sum of its proper divisors (5837649924).

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

2789023740 is a wasteful number, since it uses less digits than its factorization.

2789023740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2789023740 is about 52811.2084694149. The cubic root of 2789023740 is about 1407.6155968690.

The spelling of 2789023740 in words is "two billion, seven hundred eighty-nine million, twenty-three thousand, seven hundred forty".