542667156800 has 42 divisors (see below), whose sum is σ = 1335300376638. Its totient is φ = 217066862080.

The previous prime is 542667156799. The next prime is 542667156851. The reversal of 542667156800 is 8651766245.

It can be written as a sum of positive squares in 3 ways, for example, as 488233216 + 542178923584 = 22096^2 + 736328^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169581887 + ... + 169585086.

Almost surely, 2^542667156800 is an apocalyptic number.

542667156800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

542667156800 is an abundant number, since it is smaller than the sum of its proper divisors (792633219838).

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

542667156800 is a wasteful number, since it uses less digits than its factorization.

542667156800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339166995 (or 339166980 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 542667156800 in words is "five hundred forty-two billion, six hundred sixty-seven million, one hundred fifty-six thousand, eight hundred".