42407554 has 16 divisors (see below), whose sum is σ = 76975488. Its totient is φ = 17105472.

The previous prime is 42407549. The next prime is 42407557. The reversal of 42407554 is 45570424.

It is not an unprimeable number, because it can be changed into a prime (42407557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88854 + ... + 89329.

It is an arithmetic number, because the mean of its divisors is an integer number (4810968).

Almost surely, 2^42407554 is an apocalyptic number.

42407554 is a deficient number, since it is larger than the sum of its proper divisors (34567934).

42407554 is a wasteful number, since it uses less digits than its factorization.

42407554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178209.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 42407554 is about 6512.1082607709. The cubic root of 42407554 is about 348.7233873570.

Adding to 42407554 its reverse (45570424), we get a palindrome (87977978).

The spelling of 42407554 in words is "forty-two million, four hundred seven thousand, five hundred fifty-four".