1540480678 has 16 divisors (see below), whose sum is σ = 2563513920. Its totient is φ = 688349800.

The previous prime is 1540480661. The next prime is 1540480699. The reversal of 1540480678 is 8760840451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592108 + ... + 594703.

It is an arithmetic number, because the mean of its divisors is an integer number (160219620).

Almost surely, 2^1540480678 is an apocalyptic number.

1540480678 is a deficient number, since it is larger than the sum of its proper divisors (1023033242).

1540480678 is a wasteful number, since it uses less digits than its factorization.

1540480678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186883.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 1540480678 is about 39248.9576676885. The cubic root of 1540480678 is about 1154.9204865210.

The spelling of 1540480678 in words is "one billion, five hundred forty million, four hundred eighty thousand, six hundred seventy-eight".