542765402 has 8 divisors (see below), whose sum is σ = 814322676. Its totient is φ = 271324512.

The previous prime is 542765389. The next prime is 542765407. The reversal of 542765402 is 204567245.

It can be written as a sum of positive squares in 2 ways, for example, as 335952241 + 206813161 = 18329^2 + 14381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (542765407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16313 + ... + 36764.

Almost surely, 2^542765402 is an apocalyptic number.

542765402 is a deficient number, since it is larger than the sum of its proper divisors (271557274).

542765402 is a wasteful number, since it uses less digits than its factorization.

542765402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58192.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 542765402 is about 23297.3260697446. The cubic root of 542765402 is about 815.7130032063.

The spelling of 542765402 in words is "five hundred forty-two million, seven hundred sixty-five thousand, four hundred two".