2734533840 has 160 divisors (see below), whose sum is σ = 8744190336. Its totient is φ = 706406400.

The previous prime is 2734533833. The next prime is 2734533863. The reversal of 2734533840 is 483354372.

2734533840 = 356² + 357² + ... + 2020².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2601315 + ... + 2602365.

Almost surely, 2^2734533840 is an apocalyptic number.

2734533840 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 2734533840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4372095168).

2734533840 is an abundant number, since it is smaller than the sum of its proper divisors (6009656496).

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

2734533840 is a wasteful number, since it uses less digits than its factorization.

2734533840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 2734533840 is about 52292.7704372220. The cubic root of 2734533840 is about 1398.3882540377.

The spelling of 2734533840 in words is "two billion, seven hundred thirty-four million, five hundred thirty-three thousand, eight hundred forty".