42523404543240 has 64 divisors (see below), whose sum is σ = 127610318583360. Its totient is φ = 11336009660160.

The previous prime is 42523404543233. The next prime is 42523404543241. The reversal of 42523404543240 is 4234540432524.

It is a junction number, because it is equal to n+sod(n) for n = 42523404543192 and 42523404543201.

It is not an unprimeable number, because it can be changed into a prime (42523404543241) 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 15 ways as a sum of consecutive naturals, for example, 55318014 + ... + 56081453.

It is an arithmetic number, because the mean of its divisors is an integer number (1993911227865).

Almost surely, 2^{42523404543240} is an apocalyptic number.

42523404543240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42523404543240 is an abundant number, since it is smaller than the sum of its proper divisors (85086914040120).

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

42523404543240 is a wasteful number, since it uses less digits than its factorization.

42523404543240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111402662 (or 111402658 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 42.

Adding to 42523404543240 its reverse (4234540432524), we get a palindrome (46757944975764).

The spelling of 42523404543240 in words is "forty-two trillion, five hundred twenty-three billion, four hundred four million, five hundred forty-three thousand, two hundred forty".