42371456 has 16 divisors (see below), whose sum is σ = 84412140. Its totient is φ = 21185664.

The previous prime is 42371453. The next prime is 42371467. The reversal of 42371456 is 65417324.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42371453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165386 + ... + 165641.

Almost surely, 2^42371456 is an apocalyptic number.

It is an amenable number.

42371456 is a deficient number, since it is larger than the sum of its proper divisors (42040684).

42371456 is an equidigital number, since it uses as much as digits as its factorization.

42371456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331041 (or 331029 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 42371456 is about 6509.3360644539. The cubic root of 42371456 is about 348.6244129283.

The spelling of 42371456 in words is "forty-two million, three hundred seventy-one thousand, four hundred fifty-six".