2540694060 has 192 divisors, whose sum is σ = 8608320000. Its totient is φ = 619653888.

The previous prime is 2540694029. The next prime is 2540694067. The reversal of 2540694060 is 604960452.

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

It is not an unprimeable number, because it can be changed into a prime (2540694067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293271 + ... + 301809.

It is an arithmetic number, because the mean of its divisors is an integer number (44835000).

Almost surely, 2^2540694060 is an apocalyptic number.

2540694060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540694060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4304160000).

2540694060 is an abundant number, since it is smaller than the sum of its proper divisors (6067625940).

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

2540694060 is a wasteful number, since it uses less digits than its factorization.

2540694060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605 (or 8597 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2540694060 is about 50405.2979358321. The cubic root of 2540694060 is about 1364.5332542589.

The spelling of 2540694060 in words is "two billion, five hundred forty million, six hundred ninety-four thousand, sixty".