2623971240 has 128 divisors (see below), whose sum is σ = 9541756800. Its totient is φ = 636111360.

The previous prime is 2623971239. The next prime is 2623971263. The reversal of 2623971240 is 421793262.

2623971240 is a `hidden beast` number, since 2 + 623 + 9 + 7 + 1 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2623971195 and 2623971204.

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 31 ways as a sum of consecutive naturals, for example, 98557 + ... + 122316.

It is an arithmetic number, because the mean of its divisors is an integer number (74544975).

Almost surely, 2^2623971240 is an apocalyptic number.

2623971240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2623971240 is an abundant number, since it is smaller than the sum of its proper divisors (6917785560).

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

2623971240 is a wasteful number, since it uses less digits than its factorization.

2623971240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220904 (or 220894 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2623971240 is about 51224.7131763566. The cubic root of 2623971240 is about 1379.2818569717.

It can be divided in two parts, 26239 and 71240, that added together give a palindrome (97479).

The spelling of 2623971240 in words is "two billion, six hundred twenty-three million, nine hundred seventy-one thousand, two hundred forty".