42404408 has 16 divisors (see below), whose sum is σ = 79650000. Its totient is φ = 21164416.

The previous prime is 42404363. The next prime is 42404419. The reversal of 42404408 is 80440424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 9216.

It is an arithmetic number, because the mean of its divisors is an integer number (4978125).

Almost surely, 2^42404408 is an apocalyptic number.

It is an amenable number.

42404408 is a deficient number, since it is larger than the sum of its proper divisors (37245592).

42404408 is a wasteful number, since it uses less digits than its factorization.

42404408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454 (or 9450 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 42404408 is about 6511.8667062525. The cubic root of 42404408 is about 348.7147638077.

The spelling of 42404408 in words is "forty-two million, four hundred four thousand, four hundred eight".