42774310620 has 144 divisors (see below), whose sum is σ = 131603996160. Its totient is φ = 11244002688.

The previous prime is 42774310619. The next prime is 42774310637. The reversal of 42774310620 is 2601347724.

42774310620 is a `hidden beast` number, since 4 + 27 + 7 + 4 + 3 + 1 + 0 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7272841 + ... + 7278719.

It is an arithmetic number, because the mean of its divisors is an integer number (913916640).

Almost surely, 2^42774310620 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 42774310620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65801998080).

42774310620 is an abundant number, since it is smaller than the sum of its proper divisors (88829685540).

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

42774310620 is a wasteful number, since it uses less digits than its factorization.

42774310620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 42774310620 in words is "forty-two billion, seven hundred seventy-four million, three hundred ten thousand, six hundred twenty".