542002145440 has 48 divisors (see below), whose sum is σ = 1463405795712. Its totient is φ = 185829306624.

The previous prime is 542002145393. The next prime is 542002145441. The reversal of 542002145440 is 44541200245.

It is not an unprimeable number, because it can be changed into a prime (542002145441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241964124 + ... + 241966363.

It is an arithmetic number, because the mean of its divisors is an integer number (30487620744).

Almost surely, 2^542002145440 is an apocalyptic number.

It is an amenable number.

542002145440 is an abundant number, since it is smaller than the sum of its proper divisors (921403650272).

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

542002145440 is a wasteful number, since it uses less digits than its factorization.

542002145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483930509 (or 483930501 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 542002145440 its reverse (44541200245), we get a palindrome (586543345685).

The spelling of 542002145440 in words is "five hundred forty-two billion, two million, one hundred forty-five thousand, four hundred forty".