542265121024 has 144 divisors (see below), whose sum is σ = 1223590072320. Its totient is φ = 237700270080.

The previous prime is 542265120979. The next prime is 542265121093. The reversal of 542265121024 is 420121562245.

It is a super-2 number, since 2×542265121024² (a number of 24 digits) contains 22 as substring.

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, 9537609 + ... + 9594295.

It is an arithmetic number, because the mean of its divisors is an integer number (8497153280).

Almost surely, 2^542265121024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542265121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611795036160).

542265121024 is an abundant number, since it is smaller than the sum of its proper divisors (681324951296).

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

542265121024 is a wasteful number, since it uses less digits than its factorization.

542265121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56836 (or 56822 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 542265121024 its reverse (420121562245), we get a palindrome (962386683269).

The spelling of 542265121024 in words is "five hundred forty-two billion, two hundred sixty-five million, one hundred twenty-one thousand, twenty-four".