42455426320 has 20 divisors (see below), whose sum is σ = 98708866380. Its totient is φ = 16982170496.

The previous prime is 42455426317. The next prime is 42455426341. The reversal of 42455426320 is 2362455424.

It can be written as a sum of positive squares in 2 ways, for example, as 16506082576 + 25949343744 = 128476^2 + 161088^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 42455426320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265346335 + ... + 265346494.

It is an arithmetic number, because the mean of its divisors is an integer number (4935443319).

Almost surely, 2^42455426320 is an apocalyptic number.

42455426320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42455426320 is an abundant number, since it is smaller than the sum of its proper divisors (56253440060).

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

42455426320 is a wasteful number, since it uses less digits than its factorization.

42455426320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530692842 (or 530692836 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 42455426320 in words is "forty-two billion, four hundred fifty-five million, four hundred twenty-six thousand, three hundred twenty".