2012653380 has 24 divisors (see below), whose sum is σ = 5635429632. Its totient is φ = 536707552.

The previous prime is 2012653367. The next prime is 2012653381. The reversal of 2012653380 is 833562102.

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

It is not an unprimeable number, because it can be changed into a prime (2012653381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16772052 + ... + 16772171.

It is an arithmetic number, because the mean of its divisors is an integer number (234809568).

Almost surely, 2^2012653380 is an apocalyptic number.

2012653380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012653380 is an abundant number, since it is smaller than the sum of its proper divisors (3622776252).

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

2012653380 is a wasteful number, since it uses less digits than its factorization.

2012653380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33544235 (or 33544233 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2012653380 is about 44862.6055863901. The cubic root of 2012653380 is about 1262.5725093799.

The spelling of 2012653380 in words is "two billion, twelve million, six hundred fifty-three thousand, three hundred eighty".