2746729440 has 960 divisors, whose sum is σ = 12724677504. Its totient is φ = 541458432.

The previous prime is 2746729429. The next prime is 2746729499. The reversal of 2746729440 is 449276472.

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

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 159 ways as a sum of consecutive naturals, for example, 20049052 + ... + 20049188.

Almost surely, 2^2746729440 is an apocalyptic number.

2746729440 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 2746729440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6362338752).

2746729440 is an abundant number, since it is smaller than the sum of its proper divisors (9977948064).

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

2746729440 is a wasteful number, since it uses less digits than its factorization.

2746729440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 2746729440 is about 52409.2495653201. The cubic root of 2746729440 is about 1400.4640366520.

The spelling of 2746729440 in words is "two billion, seven hundred forty-six million, seven hundred twenty-nine thousand, four hundred forty".