2720131040 has 48 divisors (see below), whose sum is σ = 7010524080. Its totient is φ = 989137920.

The previous prime is 2720131013. The next prime is 2720131049. The reversal of 2720131040 is 401310272.

It is a super-2 number, since 2×2720131040² = 14798225749542963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

2720131040 is a modest number, since divided by 131040 gives 2720 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720131049) 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, 771005 + ... + 774524.

It is an arithmetic number, because the mean of its divisors is an integer number (146052585).

Almost surely, 2^2720131040 is an apocalyptic number.

2720131040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720131040 is an abundant number, since it is smaller than the sum of its proper divisors (4290393040).

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

2720131040 is a wasteful number, since it uses less digits than its factorization.

2720131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545555 (or 1545547 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2720131040 is about 52154.8755151424. The cubic root of 2720131040 is about 1395.9288256365.

The spelling of 2720131040 in words is "two billion, seven hundred twenty million, one hundred thirty-one thousand, forty".