542402446 has 8 divisors (see below), whose sum is σ = 813902544. Its totient is φ = 271101600.

The previous prime is 542402437. The next prime is 542402447. The reversal of 542402446 is 644204245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542402447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42810 + ... + 54013.

It is an arithmetic number, because the mean of its divisors is an integer number (101737818).

Almost surely, 2^542402446 is an apocalyptic number.

542402446 is a deficient number, since it is larger than the sum of its proper divisors (271500098).

542402446 is a wasteful number, since it uses less digits than its factorization.

542402446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99626.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 542402446 is about 23289.5351177305. The cubic root of 542402446 is about 815.5311358364.

It can be divided in two parts, 54 and 2402446, that added together give a square (2402500 = 1550²).

The spelling of 542402446 in words is "five hundred forty-two million, four hundred two thousand, four hundred forty-six".