4012905819792 has 40 divisors (see below), whose sum is σ = 10701082190080. Its totient is φ = 1294485747840.

The previous prime is 4012905819781. The next prime is 4012905819799. The reversal of 4012905819792 is 2979185092104.

It is a super-2 number, since 2×4012905819792² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4012905819799) 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, 1348421167 + ... + 1348424142.

It is an arithmetic number, because the mean of its divisors is an integer number (267527054752).

Almost surely, 2^{4012905819792} is an apocalyptic number.

It is an amenable number.

4012905819792 is an abundant number, since it is smaller than the sum of its proper divisors (6688176370288).

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

4012905819792 is a wasteful number, since it uses less digits than its factorization.

4012905819792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696845351 (or 2696845345 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 4012905819792 in words is "four trillion, twelve billion, nine hundred five million, eight hundred nineteen thousand, seven hundred ninety-two".