2751429440 has 56 divisors (see below), whose sum is σ = 6573146112. Its totient is φ = 1096993280.

The previous prime is 2751429419. The next prime is 2751429451. The reversal of 2751429440 is 449241572.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2751429394 and 2751429403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85697 + ... + 113343.

Almost surely, 2^2751429440 is an apocalyptic number.

2751429440 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 2751429440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3286573056).

2751429440 is an abundant number, since it is smaller than the sum of its proper divisors (3821716672).

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

2751429440 is a wasteful number, since it uses less digits than its factorization.

2751429440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27975 (or 27965 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2751429440 is about 52454.0698135045. The cubic root of 2751429440 is about 1401.2623715891.

The spelling of 2751429440 in words is "two billion, seven hundred fifty-one million, four hundred twenty-nine thousand, four hundred forty".