10349840644 has 48 divisors (see below), whose sum is σ = 21289222080. Its totient is φ = 4340442240.

The previous prime is 10349840629. The next prime is 10349840671. The reversal of 10349840644 is 44604894301.

It is a self number, because there is not a number n which added to its sum of digits gives 10349840644.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760542 + ... + 1766410.

It is an arithmetic number, because the mean of its divisors is an integer number (443525460).

Almost surely, 2^10349840644 is an apocalyptic number.

It is an amenable number.

10349840644 is an abundant number, since it is smaller than the sum of its proper divisors (10939381436).

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

10349840644 is a wasteful number, since it uses less digits than its factorization.

10349840644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 10349840644 in words is "ten billion, three hundred forty-nine million, eight hundred forty thousand, six hundred forty-four".