2729625440 has 48 divisors (see below), whose sum is σ = 6460134912. Its totient is φ = 1089921024.

The previous prime is 2729625433. The next prime is 2729625449. The reversal of 2729625440 is 445269272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729625449) 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, 77537 + ... + 107103.

It is an arithmetic number, because the mean of its divisors is an integer number (134586144).

Almost surely, 2^2729625440 is an apocalyptic number.

2729625440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729625440 is an abundant number, since it is smaller than the sum of its proper divisors (3730509472).

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

2729625440 is a wasteful number, since it uses less digits than its factorization.

2729625440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30159 (or 30151 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2729625440 is about 52245.8174402507. The cubic root of 2729625440 is about 1397.5510656656.

The spelling of 2729625440 in words is "two billion, seven hundred twenty-nine million, six hundred twenty-five thousand, four hundred forty".