542402236 has 6 divisors (see below), whose sum is σ = 949203920. Its totient is φ = 271201116.

The previous prime is 542402233. The next prime is 542402239. The reversal of 542402236 is 632204245.

It is an interprime number because it is at equal distance from previous prime (542402233) and next prime (542402239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542402233) 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 as a sum of consecutive naturals, namely, 67800276 + ... + 67800283.

Almost surely, 2^542402236 is an apocalyptic number.

It is an amenable number.

542402236 is a deficient number, since it is larger than the sum of its proper divisors (406801684).

542402236 is a wasteful number, since it uses less digits than its factorization.

542402236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135600563 (or 135600561 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 542402236 is about 23289.5306092673. The cubic root of 542402236 is about 815.5310305876.

The spelling of 542402236 in words is "five hundred forty-two million, four hundred two thousand, two hundred thirty-six".