42504540757 has 32 divisors (see below), whose sum is σ = 50072924160. Its totient is φ = 35325858240.

The previous prime is 42504540703. The next prime is 42504540769. The reversal of 42504540757 is 75704540524.

It is a cyclic number.

It is not a de Polignac number, because 42504540757 - 2¹¹ = 42504538709 is a prime.

It is a super-3 number, since 3×42504540757³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504540157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35989707 + ... + 35990887.

It is an arithmetic number, because the mean of its divisors is an integer number (1564778880).

Almost surely, 2^42504540757 is an apocalyptic number.

42504540757 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42504540757 is a deficient number, since it is larger than the sum of its proper divisors (7568383403).

42504540757 is a wasteful number, since it uses less digits than its factorization.

42504540757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161.

The product of its (nonzero) digits is 784000, while the sum is 43.

The spelling of 42504540757 in words is "forty-two billion, five hundred four million, five hundred forty thousand, seven hundred fifty-seven".