1768388142 has 32 divisors (see below), whose sum is σ = 3610189440. Its totient is φ = 577268640.

The previous prime is 1768388137. The next prime is 1768388177. The reversal of 1768388142 is 2418838671.

It is a junction number, because it is equal to n+sod(n) for n = 1768388091 and 1768388100.

It is a congruent number.

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, 176709 + ... + 186447.

It is an arithmetic number, because the mean of its divisors is an integer number (112818420).

Almost surely, 2^1768388142 is an apocalyptic number.

1768388142 is an abundant number, since it is smaller than the sum of its proper divisors (1841801298).

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

1768388142 is a wasteful number, since it uses less digits than its factorization.

1768388142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368.

The product of its digits is 516096, while the sum is 48.

The square root of 1768388142 is about 42052.2073380221. The cubic root of 1768388142 is about 1209.2772000823.

The spelling of 1768388142 in words is "one billion, seven hundred sixty-eight million, three hundred eighty-eight thousand, one hundred forty-two".