2693981240 has 64 divisors (see below), whose sum is σ = 6123600000. Its totient is φ = 1066596480.

The previous prime is 2693981233. The next prime is 2693981267. The reversal of 2693981240 is 421893962.

It is a junction number, because it is equal to n+sod(n) for n = 2693981191 and 2693981200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2773955 + ... + 2774925.

It is an arithmetic number, because the mean of its divisors is an integer number (95681250).

Almost surely, 2^2693981240 is an apocalyptic number.

2693981240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2693981240 is an abundant number, since it is smaller than the sum of its proper divisors (3429618760).

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

2693981240 is a wasteful number, since it uses less digits than its factorization.

2693981240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2693981240 is about 51903.5763700345. The cubic root of 2693981240 is about 1391.4411910675.

The spelling of 2693981240 in words is "two billion, six hundred ninety-three million, nine hundred eighty-one thousand, two hundred forty".