1605762042 has 24 divisors (see below), whose sum is σ = 3223048128. Its totient is φ = 533340120.

The previous prime is 1605762031. The next prime is 1605762061. The reversal of 1605762042 is 2402675061.

It is a junction number, because it is equal to n+sod(n) for n = 1605761994 and 1605762012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578943 + ... + 581709.

It is an arithmetic number, because the mean of its divisors is an integer number (134293672).

Almost surely, 2^1605762042 is an apocalyptic number.

1605762042 is an abundant number, since it is smaller than the sum of its proper divisors (1617286086).

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

1605762042 is an equidigital number, since it uses as much as digits as its factorization.

1605762042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1605762042 is about 40071.9607955488. The cubic root of 1605762042 is about 1171.0094393052.

The spelling of 1605762042 in words is "one billion, six hundred five million, seven hundred sixty-two thousand, forty-two".