1616441240 has 32 divisors (see below), whose sum is σ = 3639563280. Its totient is φ = 646119552.

The previous prime is 1616441227. The next prime is 1616441273. The reversal of 1616441240 is 421446161.

It is a super-2 number, since 2×1616441240² = 5225764564745475200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46187 + ... + 73253.

Almost surely, 2^1616441240 is an apocalyptic number.

1616441240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616441240 is an abundant number, since it is smaller than the sum of its proper divisors (2023122040).

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

1616441240 is a wasteful number, since it uses less digits than its factorization.

1616441240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28571 (or 28567 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1616441240 is about 40204.9902375315. The cubic root of 1616441240 is about 1173.5996572477.

The spelling of 1616441240 in words is "one billion, six hundred sixteen million, four hundred forty-one thousand, two hundred forty".