2279146740 has 96 divisors (see below), whose sum is σ = 6880653696. Its totient is φ = 560355840.

The previous prime is 2279146733. The next prime is 2279146783. The reversal of 2279146740 is 476419722.

It is a junction number, because it is equal to n+sod(n) for n = 2279146692 and 2279146701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1132335 + ... + 1134345.

It is an arithmetic number, because the mean of its divisors is an integer number (71673476).

Almost surely, 2^2279146740 is an apocalyptic number.

2279146740 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 2279146740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3440326848).

2279146740 is an abundant number, since it is smaller than the sum of its proper divisors (4601506956).

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

2279146740 is a wasteful number, since it uses less digits than its factorization.

2279146740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2279146740 is about 47740.4099270209. The cubic root of 2279146740 is about 1316.0046662683.

The spelling of 2279146740 in words is "two billion, two hundred seventy-nine million, one hundred forty-six thousand, seven hundred forty".