2621212392 has 32 divisors (see below), whose sum is σ = 6616658880. Its totient is φ = 865253760.

The previous prime is 2621212343. The next prime is 2621212397. The reversal of 2621212392 is 2932121262.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2621212397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527709 + ... + 532652.

It is an arithmetic number, because the mean of its divisors is an integer number (206770590).

Almost surely, 2^2621212392 is an apocalyptic number.

It is an amenable number.

2621212392 is an abundant number, since it is smaller than the sum of its proper divisors (3995446488).

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

2621212392 is a wasteful number, since it uses less digits than its factorization.

2621212392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060473 (or 1060469 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 2621212392 is about 51197.7772173754. Note that the first 3 decimals coincide. The cubic root of 2621212392 is about 1378.7982943317.

The spelling of 2621212392 in words is "two billion, six hundred twenty-one million, two hundred twelve thousand, three hundred ninety-two".