42180225040 has 40 divisors (see below), whose sum is σ = 98207475480. Its totient is φ = 16848270336.

The previous prime is 42180225037. The next prime is 42180225079. The reversal of 42180225040 is 4052208124.

It can be written as a sum of positive squares in 4 ways, for example, as 7028474896 + 35151750144 = 83836^2 + 187488^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 315109 + ... + 428548.

It is an arithmetic number, because the mean of its divisors is an integer number (2455186887).

Almost surely, 2^42180225040 is an apocalyptic number.

42180225040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42180225040 is an abundant number, since it is smaller than the sum of its proper divisors (56027250440).

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

42180225040 is a wasteful number, since it uses less digits than its factorization.

42180225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744379 (or 744373 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The spelling of 42180225040 in words is "forty-two billion, one hundred eighty million, two hundred twenty-five thousand, forty".