42062440 has 32 divisors (see below), whose sum is σ = 108161280. Its totient is φ = 14421312.

The previous prime is 42062429. The next prime is 42062467. The reversal of 42062440 is 4426024.

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, 74832 + ... + 75391.

It is an arithmetic number, because the mean of its divisors is an integer number (3380040).

Almost surely, 2^42062440 is an apocalyptic number.

42062440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42062440 is an abundant number, since it is smaller than the sum of its proper divisors (66098840).

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

42062440 is a wasteful number, since it uses less digits than its factorization.

42062440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150241 (or 150237 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42062440 is about 6485.5562598747. The cubic root of 42062440 is about 347.7748356280.

Adding to 42062440 its reverse (4426024), we get a palindrome (46488464).

The spelling of 42062440 in words is "forty-two million, sixty-two thousand, four hundred forty".