42523452000040 has 64 divisors (see below), whose sum is σ = 104377670055360. Its totient is φ = 15462788382720.

The previous prime is 42523451999879. The next prime is 42523452000101. The reversal of 42523452000040 is 4000025432524.

It is a junction number, because it is equal to n+sod(n) for n = 42523451999966 and 42523452000011.

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, 23778472 + ... + 25504168.

It is an arithmetic number, because the mean of its divisors is an integer number (1630901094615).

Almost surely, 2^{42523452000040} is an apocalyptic number.

42523452000040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42523452000040 is an abundant number, since it is smaller than the sum of its proper divisors (61854218055320).

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

42523452000040 is a wasteful number, since it uses less digits than its factorization.

42523452000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781722 (or 1781718 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 42523452000040 its reverse (4000025432524), we get a palindrome (46523477432564).

The spelling of 42523452000040 in words is "forty-two trillion, five hundred twenty-three billion, four hundred fifty-two million, forty", and thus it is an aban number.