7840431616 has 40 divisors (see below), whose sum is σ = 15961181544. Its totient is φ = 3846236160.

The previous prime is 7840431583. The next prime is 7840431631. The reversal of 7840431616 is 6161340487.

It is a super-2 number, since 2×7840431616² (a number of 21 digits) 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 3 ways as a sum of consecutive naturals, for example, 117330 + ... + 171601.

Almost surely, 2^7840431616 is an apocalyptic number.

It is an amenable number.

7840431616 is an abundant number, since it is smaller than the sum of its proper divisors (8120749928).

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

7840431616 is an equidigital number, since it uses as much as digits as its factorization.

7840431616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289002 (or 288986 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 7840431616 is about 88546.2117540892. The cubic root of 7840431616 is about 1986.6132318005.

The spelling of 7840431616 in words is "seven billion, eight hundred forty million, four hundred thirty-one thousand, six hundred sixteen".