42523042531220 has 48 divisors (see below), whose sum is σ = 93543499945728. Its totient is φ = 16206379622400.

The previous prime is 42523042531217. The next prime is 42523042531283. The reversal of 42523042531220 is 2213524032524.

It is a super-2 number, since 2×42523042531220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179728856 + ... + 179965295.

It is an arithmetic number, because the mean of its divisors is an integer number (1948822915536).

Almost surely, 2^{42523042531220} is an apocalyptic number.

It is an amenable number.

42523042531220 is an abundant number, since it is smaller than the sum of its proper divisors (51020457414508).

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

42523042531220 is a wasteful number, since it uses less digits than its factorization.

42523042531220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359694440 (or 359694438 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 42523042531220 its reverse (2213524032524), we get a palindrome (44736566563744).

The spelling of 42523042531220 in words is "forty-two trillion, five hundred twenty-three billion, forty-two million, five hundred thirty-one thousand, two hundred twenty".