42512051320 has 32 divisors (see below), whose sum is σ = 98237311200. Its totient is φ = 16545230208.

The previous prime is 42512051297. The next prime is 42512051371. The reversal of 42512051320 is 2315021524.

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, 14360700 + ... + 14363659.

It is an arithmetic number, because the mean of its divisors is an integer number (3069915975).

Almost surely, 2^42512051320 is an apocalyptic number.

42512051320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42512051320 is an abundant number, since it is smaller than the sum of its proper divisors (55725259880).

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

42512051320 is a wasteful number, since it uses less digits than its factorization.

42512051320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28724407 (or 28724403 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 42512051320 its reverse (2315021524), we get a palindrome (44827072844).

The spelling of 42512051320 in words is "forty-two billion, five hundred twelve million, fifty-one thousand, three hundred twenty".