42349660920 has 192 divisors, whose sum is σ = 163124881920. Its totient is φ = 9679906944.

The previous prime is 42349660901. The next prime is 42349660921. The reversal of 42349660920 is 2906694324.

42349660920 is a `hidden beast` number, since 4 + 2 + 34 + 9 + 6 + 609 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42349660921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243172 + ... + 379251.

It is an arithmetic number, because the mean of its divisors is an integer number (849608760).

Almost surely, 2^42349660920 is an apocalyptic number.

42349660920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42349660920 is an abundant number, since it is smaller than the sum of its proper divisors (120775221000).

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

42349660920 is a wasteful number, since it uses less digits than its factorization.

42349660920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622456 (or 622440 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

It can be divided in two parts, 423496 and 60920, that added together give a square (484416 = 696²).

The spelling of 42349660920 in words is "forty-two billion, three hundred forty-nine million, six hundred sixty thousand, nine hundred twenty".