1540416885 has 32 divisors (see below), whose sum is σ = 2842625280. Its totient is φ = 697724928.

The previous prime is 1540416883. The next prime is 1540416919. The reversal of 1540416885 is 5886140451.

It is not a de Polignac number, because 1540416885 - 2¹ = 1540416883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540416883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55852 + ... + 78741.

It is an arithmetic number, because the mean of its divisors is an integer number (88832040).

Almost surely, 2^1540416885 is an apocalyptic number.

1540416885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1540416885 is a deficient number, since it is larger than the sum of its proper divisors (1302208395).

1540416885 is a wasteful number, since it uses less digits than its factorization.

1540416885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134717.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 1540416885 is about 39248.1449880119. The cubic root of 1540416885 is about 1154.9045441248.

The spelling of 1540416885 in words is "one billion, five hundred forty million, four hundred sixteen thousand, eight hundred eighty-five".