2011292730 has 48 divisors (see below), whose sum is σ = 5456730240. Its totient is φ = 513024864.

The previous prime is 2011292719. The next prime is 2011292749. The reversal of 2011292730 is 372921102.

It is a junction number, because it is equal to n+sod(n) for n = 2011292694 and 2011292703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483750 + ... + 487889.

It is an arithmetic number, because the mean of its divisors is an integer number (113681880).

Almost surely, 2^2011292730 is an apocalyptic number.

2011292730 is an abundant number, since it is smaller than the sum of its proper divisors (3445437510).

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

2011292730 is a wasteful number, since it uses less digits than its factorization.

2011292730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971675 (or 971672 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2011292730 is about 44847.4383883851. The cubic root of 2011292730 is about 1262.2879254273.

The spelling of 2011292730 in words is "two billion, eleven million, two hundred ninety-two thousand, seven hundred thirty".