42021160 has 32 divisors (see below), whose sum is σ = 99525600. Its totient is φ = 15923520.

The previous prime is 42021143. The next prime is 42021173. The reversal of 42021160 is 6112024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26886 + ... + 28405.

It is an arithmetic number, because the mean of its divisors is an integer number (3110175).

Almost surely, 2^42021160 is an apocalyptic number.

42021160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42021160 is an abundant number, since it is smaller than the sum of its proper divisors (57504440).

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

42021160 is a wasteful number, since it uses less digits than its factorization.

42021160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55321 (or 55317 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 42021160 is about 6482.3730222813. The cubic root of 42021160 is about 347.6610298657.

Adding to 42021160 its reverse (6112024), we get a palindrome (48133184).

The spelling of 42021160 in words is "forty-two million, twenty-one thousand, one hundred sixty".