42553235431540 has 12 divisors (see below), whose sum is σ = 89361794406276. Its totient is φ = 17021294172608.

The previous prime is 42553235431537. The next prime is 42553235431571. The reversal of 42553235431540 is 4513453235524.

It can be written as a sum of positive squares in 2 ways, for example, as 33427869875856 + 9125365555684 = 5781684^2 + 3020822^2 .

It is a congruent number.

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, 1063830885769 + ... + 1063830885808.

It is an arithmetic number, because the mean of its divisors is an integer number (7446816200523).

Almost surely, 2^{42553235431540} is an apocalyptic number.

It is an amenable number.

42553235431540 is an abundant number, since it is smaller than the sum of its proper divisors (46808558974736).

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

42553235431540 is a wasteful number, since it uses less digits than its factorization.

42553235431540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127661771586 (or 2127661771584 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 42553235431540 in words is "forty-two trillion, five hundred fifty-three billion, two hundred thirty-five million, four hundred thirty-one thousand, five hundred forty".