42152245542 has 48 divisors (see below), whose sum is σ = 99870563520. Its totient is φ = 12742897200.

The previous prime is 42152245493. The next prime is 42152245547. The reversal of 42152245542 is 24554225124.

42152245542 is a `hidden beast` number, since 4 + 21 + 52 + 2 + 45 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42152245497 and 42152245506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42152245547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171084 + ... + 337007.

It is an arithmetic number, because the mean of its divisors is an integer number (2080636740).

Almost surely, 2^42152245542 is an apocalyptic number.

42152245542 is an abundant number, since it is smaller than the sum of its proper divisors (57718317978).

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

42152245542 is a wasteful number, since it uses less digits than its factorization.

42152245542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508529 (or 508526 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The spelling of 42152245542 in words is "forty-two billion, one hundred fifty-two million, two hundred forty-five thousand, five hundred forty-two".