1540345416 has 16 divisors (see below), whose sum is σ = 3850863600. Its totient is φ = 513448464.

The previous prime is 1540345403. The next prime is 1540345439. The reversal of 1540345416 is 6145430451.

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, 32090506 + ... + 32090553.

It is an arithmetic number, because the mean of its divisors is an integer number (240678975).

Almost surely, 2^1540345416 is an apocalyptic number.

It is an amenable number.

1540345416 is an abundant number, since it is smaller than the sum of its proper divisors (2310518184).

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

1540345416 is a wasteful number, since it uses less digits than its factorization.

1540345416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64181068 (or 64181064 counting only the distinct ones).

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

The square root of 1540345416 is about 39247.2345012996. The cubic root of 1540345416 is about 1154.8866829103.

Adding to 1540345416 its reverse (6145430451), we get a palindrome (7685775867).

The spelling of 1540345416 in words is "one billion, five hundred forty million, three hundred forty-five thousand, four hundred sixteen".