4542402655340 has 48 divisors (see below), whose sum is σ = 10408735733760. Its totient is φ = 1651385292480.

The previous prime is 4542402655261. The next prime is 4542402655369. The reversal of 4542402655340 is 435562042454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4542402655291 and 4542402655300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567262 + ... + 3397221.

It is an arithmetic number, because the mean of its divisors is an integer number (216848661120).

Almost surely, 2^{4542402655340} is an apocalyptic number.

It is an amenable number.

4542402655340 is an abundant number, since it is smaller than the sum of its proper divisors (5866333078420).

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

4542402655340 is a wasteful number, since it uses less digits than its factorization.

4542402655340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968662 (or 4968660 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 4542402655340 its reverse (435562042454), we get a palindrome (4977964697794).

The spelling of 4542402655340 in words is "four trillion, five hundred forty-two billion, four hundred two million, six hundred fifty-five thousand, three hundred forty".