42947476992 has 320 divisors, whose sum is σ = 153840867840. Its totient is φ = 11548459008.

The previous prime is 42947476991. The next prime is 42947476993. The reversal of 42947476992 is 29967474924.

42947476992 is a `hidden beast` number, since 4 + 2 + 9 + 474 + 76 + 9 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (42947476991) and next prime (42947476993).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42947476991) 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, 1632003 + ... + 1658109.

It is an arithmetic number, because the mean of its divisors is an integer number (480752712).

Almost surely, 2^42947476992 is an apocalyptic number.

42947476992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42947476992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76920433920).

42947476992 is an abundant number, since it is smaller than the sum of its proper divisors (110893390848).

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

42947476992 is a wasteful number, since it uses less digits than its factorization.

42947476992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26158 (or 26136 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 42947476992 in words is "forty-two billion, nine hundred forty-seven million, four hundred seventy-six thousand, nine hundred ninety-two".