1540067612 has 12 divisors (see below), whose sum is σ = 2752461600. Its totient is φ = 753650016.

The previous prime is 1540067609. The next prime is 1540067657. The reversal of 1540067612 is 2167600451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4095737 + ... + 4096112.

It is an arithmetic number, because the mean of its divisors is an integer number (229371800).

Almost surely, 2^1540067612 is an apocalyptic number.

It is an amenable number.

1540067612 is a deficient number, since it is larger than the sum of its proper divisors (1212393988).

1540067612 is a wasteful number, since it uses less digits than its factorization.

1540067612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191900 (or 8191898 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1540067612 is about 39243.6951878897. The cubic root of 1540067612 is about 1154.8172501224.

The spelling of 1540067612 in words is "one billion, five hundred forty million, sixty-seven thousand, six hundred twelve".