42941920 has 96 divisors (see below), whose sum is σ = 121056768. Its totient is φ = 14074368.

The previous prime is 42941917. The next prime is 42941923. The reversal of 42941920 is 2914924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42941917) and next prime (42941923).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42941923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24927 + ... + 26593.

It is an arithmetic number, because the mean of its divisors is an integer number (1261008).

Almost surely, 2^42941920 is an apocalyptic number.

42941920 is a gapful number since it is divisible by the number (40) 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 42941920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60528384).

42941920 is an abundant number, since it is smaller than the sum of its proper divisors (78114848).

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

42941920 is a wasteful number, since it uses less digits than its factorization.

42941920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 42941920 is about 6553.0084693979. The cubic root of 42941920 is about 350.1820005811.

The spelling of 42941920 in words is "forty-two million, nine hundred forty-one thousand, nine hundred twenty".