2146878332 has 12 divisors (see below), whose sum is σ = 3802303176. Its totient is φ = 1060506000.

The previous prime is 2146878301. The next prime is 2146878341. The reversal of 2146878332 is 2338786412.

It is a super-2 number, since 2×2146878332² = 9218173144822204448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3232919 + ... + 3233582.

It is an arithmetic number, because the mean of its divisors is an integer number (316858598).

Almost surely, 2^2146878332 is an apocalyptic number.

It is an amenable number.

2146878332 is a deficient number, since it is larger than the sum of its proper divisors (1655424844).

2146878332 is a wasteful number, since it uses less digits than its factorization.

2146878332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466588 (or 6466586 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 2146878332 is about 46334.4184381330. The cubic root of 2146878332 is about 1290.0379236893.

The spelling of 2146878332 in words is "two billion, one hundred forty-six million, eight hundred seventy-eight thousand, three hundred thirty-two".