42922980 has 96 divisors (see below), whose sum is σ = 135031680. Its totient is φ = 11318400.

The previous prime is 42922973. The next prime is 42922981. The reversal of 42922980 is 8922924.

42922980 is a `hidden beast` number, since 429 + 229 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (42922981) 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, 54147 + ... + 54933.

It is an arithmetic number, because the mean of its divisors is an integer number (1406580).

Almost surely, 2^42922980 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 42922980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67515840).

42922980 is an abundant number, since it is smaller than the sum of its proper divisors (92108700).

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

42922980 is a wasteful number, since it uses less digits than its factorization.

42922980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42922980 is about 6551.5631722513. The cubic root of 42922980 is about 350.1305091524.

It can be divided in two parts, 429 and 22980, that added together give a square (23409 = 153²).

The spelling of 42922980 in words is "forty-two million, nine hundred twenty-two thousand, nine hundred eighty".