2148332340 has 96 divisors (see below), whose sum is σ = 7499649024. Its totient is φ = 446405760.

The previous prime is 2148332321. The next prime is 2148332341. The reversal of 2148332340 is 432338412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2148332298 and 2148332307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148332341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227884 + ... + 237123.

It is an arithmetic number, because the mean of its divisors is an integer number (78121344).

Almost surely, 2^2148332340 is an apocalyptic number.

2148332340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148332340 is an abundant number, since it is smaller than the sum of its proper divisors (5351316684).

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

2148332340 is a wasteful number, since it uses less digits than its factorization.

2148332340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465037 (or 465035 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2148332340 is about 46350.1061487458. The cubic root of 2148332340 is about 1290.3290909681.

The spelling of 2148332340 in words is "two billion, one hundred forty-eight million, three hundred thirty-two thousand, three hundred forty".