42401012 has 12 divisors (see below), whose sum is σ = 74937156. Its totient is φ = 20990400.

The previous prime is 42400991. The next prime is 42401033. The reversal of 42401012 is 21010424.

It is an interprime number because it is at equal distance from previous prime (42400991) and next prime (42401033).

It can be written as a sum of positive squares in 2 ways, for example, as 27081616 + 15319396 = 5204^2 + 3914^2 .

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, 52073 + ... + 52880.

It is an arithmetic number, because the mean of its divisors is an integer number (6244763).

Almost surely, 2^42401012 is an apocalyptic number.

It is an amenable number.

42401012 is a deficient number, since it is larger than the sum of its proper divisors (32536144).

42401012 is a wasteful number, since it uses less digits than its factorization.

42401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105058 (or 105056 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42401012 is about 6511.6059463085. The cubic root of 42401012 is about 348.7054545007.

Adding to 42401012 its reverse (21010424), we get a palindrome (63411436).

The spelling of 42401012 in words is "forty-two million, four hundred one thousand, twelve".