1540836448 has 24 divisors (see below), whose sum is σ = 3084941160. Its totient is φ = 757359360.

The previous prime is 1540836433. The next prime is 1540836467. The reversal of 1540836448 is 8446380451.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 406173 + ... + 409948.

It is an arithmetic number, because the mean of its divisors is an integer number (128539215).

Almost surely, 2^1540836448 is an apocalyptic number.

It is an amenable number.

1540836448 is an abundant number, since it is smaller than the sum of its proper divisors (1544104712).

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

1540836448 is an equidigital number, since it uses as much as digits as its factorization.

1540836448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816190 (or 816182 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 1540836448 is about 39253.4896283120. The cubic root of 1540836448 is about 1155.0093883035.

The spelling of 1540836448 in words is "one billion, five hundred forty million, eight hundred thirty-six thousand, four hundred forty-eight".