42406401451 has 8 divisors (see below), whose sum is σ = 44903388960. Its totient is φ = 39909691008.

The previous prime is 42406401439. The next prime is 42406401529. The reversal of 42406401451 is 15410460424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42406401451 - 2²⁵ = 42372847019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42406401551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303090 + ... + 420328.

It is an arithmetic number, because the mean of its divisors is an integer number (5612923620).

Almost surely, 2^42406401451 is an apocalyptic number.

42406401451 is a deficient number, since it is larger than the sum of its proper divisors (2496987509).

42406401451 is a wasteful number, since it uses less digits than its factorization.

42406401451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138533.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 42406401451 its reverse (15410460424), we get a palindrome (57816861875).

The spelling of 42406401451 in words is "forty-two billion, four hundred six million, four hundred one thousand, four hundred fifty-one".