42507320541 has 16 divisors (see below), whose sum is σ = 64885336704. Its totient is φ = 24247793664.

The previous prime is 42507320539. The next prime is 42507320549. The reversal of 42507320541 is 14502370524.

It is not a de Polignac number, because 42507320541 - 2¹ = 42507320539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42507320549) 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, 1741920 + ... + 1766153.

It is an arithmetic number, because the mean of its divisors is an integer number (4055333544).

Almost surely, 2^42507320541 is an apocalyptic number.

It is an amenable number.

42507320541 is a deficient number, since it is larger than the sum of its proper divisors (22378016163).

42507320541 is a wasteful number, since it uses less digits than its factorization.

42507320541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508660.

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 42507320541 in words is "forty-two billion, five hundred seven million, three hundred twenty thousand, five hundred forty-one".