1540746812 has 12 divisors (see below), whose sum is σ = 2941425816. Its totient is φ = 700339440.

The previous prime is 1540746811. The next prime is 1540746863. The reversal of 1540746812 is 2186470451.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540746811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17508443 + ... + 17508530.

It is an arithmetic number, because the mean of its divisors is an integer number (245118818).

Almost surely, 2^1540746812 is an apocalyptic number.

It is an amenable number.

1540746812 is a deficient number, since it is larger than the sum of its proper divisors (1400679004).

1540746812 is a wasteful number, since it uses less digits than its factorization.

1540746812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35016988 (or 35016986 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1540746812 is about 39252.3478533450. The cubic root of 1540746812 is about 1154.9869908519.

The spelling of 1540746812 in words is "one billion, five hundred forty million, seven hundred forty-six thousand, eight hundred twelve".