542226436440 has 128 divisors (see below), whose sum is σ = 1784861749440. Its totient is φ = 130952779776.

The previous prime is 542226436421. The next prime is 542226436441. The reversal of 542226436440 is 44634622245.

It is a junction number, because it is equal to n+sod(n) for n = 542226436392 and 542226436401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542226436441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3196387 + ... + 3361746.

Almost surely, 2^542226436440 is an apocalyptic number.

It is an amenable number.

542226436440 is an abundant number, since it is smaller than the sum of its proper divisors (1242635313000).

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

542226436440 is a wasteful number, since it uses less digits than its factorization.

542226436440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558213 (or 6558209 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 542226436440 in words is "five hundred forty-two billion, two hundred twenty-six million, four hundred thirty-six thousand, four hundred forty".