2729392480 has 48 divisors (see below), whose sum is σ = 6475037184. Its totient is φ = 1087211520.

The previous prime is 2729392441. The next prime is 2729392481. The reversal of 2729392480 is 842939272.

It is a self number, because there is not a number n which added to its sum of digits gives 2729392480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729392481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3169 + ... + 73951.

It is an arithmetic number, because the mean of its divisors is an integer number (134896608).

Almost surely, 2^2729392480 is an apocalyptic number.

2729392480 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 2729392480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237518592).

2729392480 is an abundant number, since it is smaller than the sum of its proper divisors (3745644704).

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

2729392480 is a wasteful number, since it uses less digits than its factorization.

2729392480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71039 (or 71031 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2729392480 is about 52243.5879319175. The cubic root of 2729392480 is about 1397.5113065160.

The spelling of 2729392480 in words is "two billion, seven hundred twenty-nine million, three hundred ninety-two thousand, four hundred eighty".