2920422473856 has 256 divisors, whose sum is σ = 8907731481600. Its totient is φ = 940972032000.

The previous prime is 2920422473851. The next prime is 2920422473861. The reversal of 2920422473856 is 6583742240292.

2920422473856 is a `hidden beast` number, since 2 + 92 + 0 + 4 + 2 + 2 + 473 + 85 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2920422473851) and next prime (2920422473861).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2920422473851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94371346 + ... + 94402286.

It is an arithmetic number, because the mean of its divisors is an integer number (34795826100).

Almost surely, 2^{2920422473856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920422473856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4453865740800).

2920422473856 is an abundant number, since it is smaller than the sum of its proper divisors (5987309007744).

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

2920422473856 is a wasteful number, since it uses less digits than its factorization.

2920422473856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31876 (or 31858 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 2920422473856 in words is "two trillion, nine hundred twenty billion, four hundred twenty-two million, four hundred seventy-three thousand, eight hundred fifty-six".