109450854640 has 40 divisors (see below), whose sum is σ = 260679909168. Its totient is φ = 42712527360.

The previous prime is 109450854637. The next prime is 109450854641. The reversal of 109450854640 is 46458054901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109450854641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16681302 + ... + 16687861.

Almost surely, 2^109450854640 is an apocalyptic number.

109450854640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109450854640 is an abundant number, since it is smaller than the sum of its proper divisors (151229054528).

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

109450854640 is a wasteful number, since it uses less digits than its factorization.

109450854640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33369217 (or 33369211 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 109450854640 in words is "one hundred nine billion, four hundred fifty million, eight hundred fifty-four thousand, six hundred forty".