2712091440 has 40 divisors (see below), whose sum is σ = 8407484208. Its totient is φ = 723224320.

The previous prime is 2712091433. The next prime is 2712091463. The reversal of 2712091440 is 441902172.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2712091398 and 2712091407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5649951 + ... + 5650430.

Almost surely, 2^2712091440 is an apocalyptic number.

2712091440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2712091440 is an abundant number, since it is smaller than the sum of its proper divisors (5695392768).

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

2712091440 is a wasteful number, since it uses less digits than its factorization.

2712091440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300397 (or 11300391 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2712091440 is about 52077.7441907769. The cubic root of 2712091440 is about 1394.5522027215.

The spelling of 2712091440 in words is "two billion, seven hundred twelve million, ninety-one thousand, four hundred forty".