2146740540 has 48 divisors (see below), whose sum is σ = 6869571072. Its totient is φ = 490683456.

The previous prime is 2146740539. The next prime is 2146740571. The reversal of 2146740540 is 450476412.

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, 2555224 + ... + 2556063.

It is an arithmetic number, because the mean of its divisors is an integer number (143116064).

Almost surely, 2^2146740540 is an apocalyptic number.

2146740540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146740540 is an abundant number, since it is smaller than the sum of its proper divisors (4722830532).

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

2146740540 is a wasteful number, since it uses less digits than its factorization.

2146740540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111306 (or 5111304 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2146740540 is about 46332.9314850679. The cubic root of 2146740540 is about 1290.0103238162.

The spelling of 2146740540 in words is "two billion, one hundred forty-six million, seven hundred forty thousand, five hundred forty".