2819702340 has 480 divisors, whose sum is σ = 11256182784. Its totient is φ = 574801920.

The previous prime is 2819702329. The next prime is 2819702357. The reversal of 2819702340 is 432079182.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2819702295 and 2819702304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4569712 + ... + 4570328.

Almost surely, 2^2819702340 is an apocalyptic number.

2819702340 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 2819702340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5628091392).

2819702340 is an abundant number, since it is smaller than the sum of its proper divisors (8436480444).

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

2819702340 is a wasteful number, since it uses less digits than its factorization.

2819702340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2819702340 is about 53100.8694844068. The cubic root of 2819702340 is about 1412.7579338398.

The spelling of 2819702340 in words is "two billion, eight hundred nineteen million, seven hundred two thousand, three hundred forty".