2750572440 has 384 divisors, whose sum is σ = 11319160320. Its totient is φ = 562636800.

The previous prime is 2750572423. The next prime is 2750572457. The reversal of 2750572440 is 442750572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2750572423) and next prime (2750572457).

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 = 2750572395 and 2750572404.

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 95 ways as a sum of consecutive naturals, for example, 1856500 + ... + 1857980.

It is an arithmetic number, because the mean of its divisors is an integer number (29476980).

Almost surely, 2^2750572440 is an apocalyptic number.

2750572440 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 2750572440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5659580160).

2750572440 is an abundant number, since it is smaller than the sum of its proper divisors (8568587880).

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

2750572440 is a wasteful number, since it uses less digits than its factorization.

2750572440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 2750572440 is about 52445.9001257486. The cubic root of 2750572440 is about 1401.1168706678.

The spelling of 2750572440 in words is "two billion, seven hundred fifty million, five hundred seventy-two thousand, four hundred forty".