42820155132 has 24 divisors (see below), whose sum is σ = 100902942672. Its totient is φ = 14132064000.

The previous prime is 42820155121. The next prime is 42820155143. The reversal of 42820155132 is 23155102824.

It is an interprime number because it is at equal distance from previous prime (42820155121) and next prime (42820155143).

It is a super-3 number, since 3×42820155132³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42820155093 and 42820155102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17663869 + ... + 17666292.

It is an arithmetic number, because the mean of its divisors is an integer number (4204289278).

Almost surely, 2^42820155132 is an apocalyptic number.

It is an amenable number.

42820155132 is an abundant number, since it is smaller than the sum of its proper divisors (58082787540).

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

42820155132 is a wasteful number, since it uses less digits than its factorization.

42820155132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35330269 (or 35330267 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 42820155132 its reverse (23155102824), we get a palindrome (65975257956).

The spelling of 42820155132 in words is "forty-two billion, eight hundred twenty million, one hundred fifty-five thousand, one hundred thirty-two".