542155460077456 has 20 divisors (see below), whose sum is σ = 1050431970394800. Its totient is φ = 271076241911072.

The previous prime is 542155460077381. The next prime is 542155460077459. The reversal of 542155460077456 is 654770064551245.

It is a junction number, because it is equal to n+sod(n) for n = 542155460077394 and 542155460077403.

It is not an unprimeable number, because it can be changed into a prime (542155460077459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89999386 + ... + 95834233.

It is an arithmetic number, because the mean of its divisors is an integer number (52521598519740).

Almost surely, 2^{542155460077456} is an apocalyptic number.

It is an amenable number.

542155460077456 is a deficient number, since it is larger than the sum of its proper divisors (508276510317344).

542155460077456 is a wasteful number, since it uses less digits than its factorization.

542155460077456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186015966 (or 186015960 counting only the distinct ones).

The product of its (nonzero) digits is 141120000, while the sum is 61.

The spelling of 542155460077456 in words is "five hundred forty-two trillion, one hundred fifty-five billion, four hundred sixty million, seventy-seven thousand, four hundred fifty-six".