2694219840 has 672 divisors, whose sum is σ = 11004255360. Its totient is φ = 616660992.

The previous prime is 2694219821. The next prime is 2694219859. The reversal of 2694219840 is 489124962.

It is an interprime number because it is at equal distance from previous prime (2694219821) and next prime (2694219859).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32460439 + ... + 32460521.

It is an arithmetic number, because the mean of its divisors is an integer number (16375380).

Almost surely, 2^2694219840 is an apocalyptic number.

2694219840 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 2694219840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5502127680).

2694219840 is an abundant number, since it is smaller than the sum of its proper divisors (8310035520).

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

2694219840 is a wasteful number, since it uses less digits than its factorization.

2694219840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2694219840 is about 51905.8748120095. The cubic root of 2694219840 is about 1391.4822688179.

The spelling of 2694219840 in words is "two billion, six hundred ninety-four million, two hundred nineteen thousand, eight hundred forty".