42401004 has 24 divisors (see below), whose sum is σ = 99207360. Its totient is φ = 14094864.

The previous prime is 42400991. The next prime is 42401033. The reversal of 42401004 is 40010424.

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, 114 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (4133640).

Almost surely, 2^42401004 is an apocalyptic number.

It is an amenable number.

42401004 is an abundant number, since it is smaller than the sum of its proper divisors (56806356).

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

42401004 is a wasteful number, since it uses less digits than its factorization.

42401004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 42401004 is about 6511.6053320207. The cubic root of 42401004 is about 348.7054325701.

Adding to 42401004 its reverse (40010424), we get a palindrome (82411428).

The spelling of 42401004 in words is "forty-two million, four hundred one thousand, four".