42774948132 has 96 divisors (see below), whose sum is σ = 115247338752. Its totient is φ = 12095225856.

The previous prime is 42774948107. The next prime is 42774948133. The reversal of 42774948132 is 23184947724.

It is not an unprimeable number, because it can be changed into a prime (42774948133) 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 31 ways as a sum of consecutive naturals, for example, 7182468 + ... + 7188420.

It is an arithmetic number, because the mean of its divisors is an integer number (1200493112).

Almost surely, 2^42774948132 is an apocalyptic number.

42774948132 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 42774948132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57623669376).

42774948132 is an abundant number, since it is smaller than the sum of its proper divisors (72472390620).

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

42774948132 is a wasteful number, since it uses less digits than its factorization.

42774948132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837 (or 6835 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 42774948132 in words is "forty-two billion, seven hundred seventy-four million, nine hundred forty-eight thousand, one hundred thirty-two".