42455742 has 32 divisors (see below), whose sum is σ = 97638912. Its totient is φ = 12055584.

The previous prime is 42455741. The next prime is 42455789. The reversal of 42455742 is 24755424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455741) 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, 3988 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (3051216).

Almost surely, 2^42455742 is an apocalyptic number.

42455742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42455742 is an abundant number, since it is smaller than the sum of its proper divisors (55183170).

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

42455742 is a wasteful number, since it uses less digits than its factorization.

42455742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232.

The product of its digits is 44800, while the sum is 33.

The square root of 42455742 is about 6515.8070873837. The cubic root of 42455742 is about 348.8554229661.

The spelling of 42455742 in words is "forty-two million, four hundred fifty-five thousand, seven hundred forty-two".