2149552740 has 48 divisors (see below), whose sum is σ = 6181422912. Its totient is φ = 557721216.

The previous prime is 2149552733. The next prime is 2149552751. The reversal of 2149552740 is 472559412.

2149552740 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 481914 + ... + 486353.

It is an arithmetic number, because the mean of its divisors is an integer number (128779644).

Almost surely, 2^2149552740 is an apocalyptic number.

2149552740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149552740 is an abundant number, since it is smaller than the sum of its proper divisors (4031870172).

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

2149552740 is a wasteful number, since it uses less digits than its factorization.

2149552740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968316 (or 968314 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 2149552740 is about 46363.2692980122. The cubic root of 2149552740 is about 1290.5733765014.

The spelling of 2149552740 in words is "two billion, one hundred forty-nine million, five hundred fifty-two thousand, seven hundred forty".