2798332740 has 144 divisors (see below), whose sum is σ = 9719394048. Its totient is φ = 638399232.

The previous prime is 2798332687. The next prime is 2798332763. The reversal of 2798332740 is 472338972.

2798332740 is a `hidden beast` number, since 279 + 8 + 332 + 7 + 40 = 666.

It is a super-2 number, since 2×2798332740² = 15661332247511815200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 770569 + ... + 774191.

It is an arithmetic number, because the mean of its divisors is an integer number (67495792).

Almost surely, 2^2798332740 is an apocalyptic number.

2798332740 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 2798332740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4859697024).

2798332740 is an abundant number, since it is smaller than the sum of its proper divisors (6921061308).

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

2798332740 is a wasteful number, since it uses less digits than its factorization.

2798332740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2798332740 is about 52899.2697492130. The cubic root of 2798332740 is about 1409.1799365994.

The spelling of 2798332740 in words is "two billion, seven hundred ninety-eight million, three hundred thirty-two thousand, seven hundred forty".