2140743480 has 64 divisors (see below), whose sum is σ = 6485853600. Its totient is φ = 565209600.

The previous prime is 2140743463. The next prime is 2140743481. The reversal of 2140743480 is 843470412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140743481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76195 + ... + 100434.

Almost surely, 2^2140743480 is an apocalyptic number.

2140743480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140743480 is an abundant number, since it is smaller than the sum of its proper divisors (4345110120).

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

2140743480 is a wasteful number, since it uses less digits than its factorization.

2140743480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176744 (or 176740 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2140743480 is about 46268.1691878985. The cubic root of 2140743480 is about 1288.8079607773.

The spelling of 2140743480 in words is "two billion, one hundred forty million, seven hundred forty-three thousand, four hundred eighty".