2892247640 has 64 divisors (see below), whose sum is σ = 6879880800. Its totient is φ = 1091238912.

The previous prime is 2892247637. The next prime is 2892247651. The reversal of 2892247640 is 467422982.

It is a super-2 number, since 2×2892247640² = 16730192822171139200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2892247591 and 2892247600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168914 + ... + 185246.

Almost surely, 2^2892247640 is an apocalyptic number.

2892247640 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 2892247640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3439940400).

2892247640 is an abundant number, since it is smaller than the sum of its proper divisors (3987633160).

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

2892247640 is a wasteful number, since it uses less digits than its factorization.

2892247640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16596 (or 16592 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2892247640 is about 53779.6210473819. The cubic root of 2892247640 is about 1424.7713005298.

The spelling of 2892247640 in words is "two billion, eight hundred ninety-two million, two hundred forty-seven thousand, six hundred forty".