1540769068 has 48 divisors (see below), whose sum is σ = 2836512000. Its totient is φ = 731427840.

The previous prime is 1540769063. The next prime is 1540769141. The reversal of 1540769068 is 8609670451.

It is not an unprimeable number, because it can be changed into a prime (1540769063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643896 + ... + 1644832.

It is an arithmetic number, because the mean of its divisors is an integer number (59094000).

Almost surely, 2^1540769068 is an apocalyptic number.

It is an amenable number.

1540769068 is a deficient number, since it is larger than the sum of its proper divisors (1295742932).

1540769068 is a wasteful number, since it uses less digits than its factorization.

1540769068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1540769068 is about 39252.6313512865. The cubic root of 1540769068 is about 1154.9925520656.

The spelling of 1540769068 in words is "one billion, five hundred forty million, seven hundred sixty-nine thousand, sixty-eight".