1540284212 has 12 divisors (see below), whose sum is σ = 2695978656. Its totient is φ = 770004600.

The previous prime is 1540284199. The next prime is 1540284223. The reversal of 1540284212 is 2124820451.

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, 6698 + ... + 55905.

It is an arithmetic number, because the mean of its divisors is an integer number (224664888).

Almost surely, 2^1540284212 is an apocalyptic number.

It is an amenable number.

1540284212 is a deficient number, since it is larger than the sum of its proper divisors (1155694444).

1540284212 is a wasteful number, since it uses less digits than its factorization.

1540284212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68758 (or 68756 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 1540284212 is about 39246.4547698260. The cubic root of 1540284212 is about 1154.8713866397.

The spelling of 1540284212 in words is "one billion, five hundred forty million, two hundred eighty-four thousand, two hundred twelve".