2679109240 has 16 divisors (see below), whose sum is σ = 6027995880. Its totient is φ = 1071643680.

The previous prime is 2679109217. The next prime is 2679109267. The reversal of 2679109240 is 429019762.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 66977731 = 2679109240 / (2 + 6 + 7 + 9 + 1 + 0 + 9 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2679109193 and 2679109202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33488826 + ... + 33488905.

Almost surely, 2^2679109240 is an apocalyptic number.

2679109240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2679109240 is an abundant number, since it is smaller than the sum of its proper divisors (3348886640).

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

2679109240 is a wasteful number, since it uses less digits than its factorization.

2679109240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66977742 (or 66977738 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2679109240 is about 51760.1124419181. The cubic root of 2679109240 is about 1388.8760024784.

The spelling of 2679109240 in words is "two billion, six hundred seventy-nine million, one hundred nine thousand, two hundred forty".