542174940 has 72 divisors (see below), whose sum is σ = 1657223568. Its totient is φ = 143470080.

The previous prime is 542174911. The next prime is 542174951. The reversal of 542174940 is 49471245.

It is a happy number.

542174940 is a `hidden beast` number, since 542 + 1 + 74 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 542174895 and 542174904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12084 + ... + 35076.

It is an arithmetic number, because the mean of its divisors is an integer number (23016994).

Almost surely, 2^542174940 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 542174940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828611784).

542174940 is an abundant number, since it is smaller than the sum of its proper divisors (1115048628).

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

542174940 is a wasteful number, since it uses less digits than its factorization.

542174940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23139 (or 23134 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 542174940 is about 23284.6503087334. The cubic root of 542174940 is about 815.4170974043.

The spelling of 542174940 in words is "five hundred forty-two million, one hundred seventy-four thousand, nine hundred forty".