542402312 has 64 divisors (see below), whose sum is σ = 1078110000. Its totient is φ = 255467520.

The previous prime is 542402309. The next prime is 542402339. The reversal of 542402312 is 213204245.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 314211076 + 228191236 = 17726^2 + 15106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250512 + ... + 2250752.

Almost surely, 2^542402312 is an apocalyptic number.

It is an amenable number.

542402312 is a deficient number, since it is larger than the sum of its proper divisors (535707688).

542402312 is a wasteful number, since it uses less digits than its factorization.

542402312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 542402312 is about 23289.5322409017. The cubic root of 542402312 is about 815.5310686777.

Adding to 542402312 its reverse (213204245), we get a palindrome (755606557).

The spelling of 542402312 in words is "five hundred forty-two million, four hundred two thousand, three hundred twelve".