42506340401 has 16 divisors (see below), whose sum is σ = 50259038208. Its totient is φ = 35179045200.

The previous prime is 42506340379. The next prime is 42506340479. The reversal of 42506340401 is 10404360524.

It is a cyclic number.

It is not a de Polignac number, because 42506340401 - 2¹⁰ = 42506339377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42506340001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124955 + ... + 317216.

It is an arithmetic number, because the mean of its divisors is an integer number (3141189888).

Almost surely, 2^42506340401 is an apocalyptic number.

It is an amenable number.

42506340401 is a deficient number, since it is larger than the sum of its proper divisors (7752697807).

42506340401 is a wasteful number, since it uses less digits than its factorization.

42506340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442652.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 42506340401 in words is "forty-two billion, five hundred six million, three hundred forty thousand, four hundred one".