42418900 has 36 divisors (see below), whose sum is σ = 96056352. Its totient is φ = 16228960.

The previous prime is 42418897. The next prime is 42418903. The reversal of 42418900 is 981424.

It is an interprime number because it is at equal distance from previous prime (42418897) and next prime (42418903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42418903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6922 + ... + 11521.

It is an arithmetic number, because the mean of its divisors is an integer number (2668232).

Almost surely, 2^42418900 is an apocalyptic number.

It is an amenable number.

42418900 is an abundant number, since it is smaller than the sum of its proper divisors (53637452).

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

42418900 is a wasteful number, since it uses less digits than its factorization.

42418900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18480 (or 18473 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 42418900 is about 6512.9793489616. The cubic root of 42418900 is about 348.7544845113.

The spelling of 42418900 in words is "forty-two million, four hundred eighteen thousand, nine hundred".