2146926940 has 48 divisors (see below), whose sum is σ = 4781687904. Its totient is φ = 806912000.

The previous prime is 2146926931. The next prime is 2146926941. The reversal of 2146926940 is 496296412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146926941) 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, 213015 + ... + 222865.

It is an arithmetic number, because the mean of its divisors is an integer number (99618498).

Almost surely, 2^2146926940 is an apocalyptic number.

2146926940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146926940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2390843952).

2146926940 is an abundant number, since it is smaller than the sum of its proper divisors (2634760964).

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

2146926940 is a wasteful number, since it uses less digits than its factorization.

2146926940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518 (or 10516 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2146926940 is about 46334.9429696423. The cubic root of 2146926940 is about 1290.0476596377.

The spelling of 2146926940 in words is "two billion, one hundred forty-six million, nine hundred twenty-six thousand, nine hundred forty".