1540478676 has 24 divisors (see below), whose sum is σ = 3921218784. Its totient is φ = 466811680.

The previous prime is 1540478669. The next prime is 1540478677. The reversal of 1540478676 is 6768740451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540478677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5835015 + ... + 5835278.

It is an arithmetic number, because the mean of its divisors is an integer number (163384116).

Almost surely, 2^1540478676 is an apocalyptic number.

It is an amenable number.

1540478676 is an abundant number, since it is smaller than the sum of its proper divisors (2380740108).

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

1540478676 is a wasteful number, since it uses less digits than its factorization.

1540478676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670311 (or 11670309 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 1540478676 is about 39248.9321638182. The cubic root of 1540478676 is about 1154.9199862114.

The spelling of 1540478676 in words is "one billion, five hundred forty million, four hundred seventy-eight thousand, six hundred seventy-six".