42451423041404 has 36 divisors (see below), whose sum is σ = 80676018788904. Its totient is φ = 19536500498112.

The previous prime is 42451423041397. The next prime is 42451423041407. The reversal of 42451423041404 is 40414032415424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451423041407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90252407 + ... + 90721550.

It is an arithmetic number, because the mean of its divisors is an integer number (2241000521914).

Almost surely, 2^{42451423041404} is an apocalyptic number.

It is an amenable number.

42451423041404 is a deficient number, since it is larger than the sum of its proper divisors (38224595747500).

42451423041404 is a wasteful number, since it uses less digits than its factorization.

42451423041404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180974334 (or 180974319 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 38.

Adding to 42451423041404 its reverse (40414032415424), we get a palindrome (82865455456828).

The spelling of 42451423041404 in words is "forty-two trillion, four hundred fifty-one billion, four hundred twenty-three million, forty-one thousand, four hundred four".