10196239640 has 32 divisors (see below), whose sum is σ = 23374403280. Its totient is φ = 4001542272.

The previous prime is 10196239633. The next prime is 10196239673. The reversal of 10196239640 is 4693269101.

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, 2402654 + ... + 2406893.

Almost surely, 2^10196239640 is an apocalyptic number.

10196239640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10196239640 is an abundant number, since it is smaller than the sum of its proper divisors (13178163640).

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

10196239640 is a wasteful number, since it uses less digits than its factorization.

10196239640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809611 (or 4809607 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 10196239640 in words is "ten billion, one hundred ninety-six million, two hundred thirty-nine thousand, six hundred forty".