1540315464 has 64 divisors (see below), whose sum is σ = 4134810240. Its totient is φ = 476421120.

The previous prime is 1540315463. The next prime is 1540315499. The reversal of 1540315464 is 4645130451.

It is not an unprimeable number, because it can be changed into a prime (1540315463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2382 + ... + 55554.

It is an arithmetic number, because the mean of its divisors is an integer number (64606410).

Almost surely, 2^1540315464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1540315464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067405120).

1540315464 is an abundant number, since it is smaller than the sum of its proper divisors (2594494776).

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

1540315464 is a wasteful number, since it uses less digits than its factorization.

1540315464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53270 (or 53266 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1540315464 is about 39246.8529184188. The cubic root of 1540315464 is about 1154.8791972754.

The spelling of 1540315464 in words is "one billion, five hundred forty million, three hundred fifteen thousand, four hundred sixty-four".