42451103412 has 36 divisors (see below), whose sum is σ = 107339473696. Its totient is φ = 14146079760.

The previous prime is 42451103399. The next prime is 42451103413. The reversal of 42451103412 is 21430115424.

42451103412 is a `hidden beast` number, since 4 + 245 + 1 + 1 + 0 + 3 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451103413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57088 + ... + 296919.

Almost surely, 2^42451103412 is an apocalyptic number.

It is an amenable number.

42451103412 is an abundant number, since it is smaller than the sum of its proper divisors (64888370284).

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

42451103412 is a wasteful number, since it uses less digits than its factorization.

42451103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357348 (or 357343 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 42451103412 its reverse (21430115424), we get a palindrome (63881218836).

The spelling of 42451103412 in words is "forty-two billion, four hundred fifty-one million, one hundred three thousand, four hundred twelve".