542012541240 has 64 divisors (see below), whose sum is σ = 1626324896160. Its totient is φ = 144511142400.

The previous prime is 542012541221. The next prime is 542012541251. The reversal of 542012541240 is 42145210245.

It is a super-2 number, since 2×542012541240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 542012541198 and 542012541207.

It is a congruent number.

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, 287982 + ... + 1080258.

Almost surely, 2^542012541240 is an apocalyptic number.

It is an amenable number.

542012541240 is an abundant number, since it is smaller than the sum of its proper divisors (1084312354920).

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

542012541240 is a wasteful number, since it uses less digits than its factorization.

542012541240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797992 (or 797988 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 542012541240 its reverse (42145210245), we get a palindrome (584157751485).

The spelling of 542012541240 in words is "five hundred forty-two billion, twelve million, five hundred forty-one thousand, two hundred forty".