4429775066840 has 32 divisors (see below), whose sum is σ = 10078982604000. Its totient is φ = 1752000923904.

The previous prime is 4429775066837. The next prime is 4429775066879. The reversal of 4429775066840 is 486605779244.

It is a happy number.

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, 622155860 + ... + 622162979.

It is an arithmetic number, because the mean of its divisors is an integer number (314968206375).

Almost surely, 2^{4429775066840} is an apocalyptic number.

4429775066840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4429775066840 is an abundant number, since it is smaller than the sum of its proper divisors (5649207537160).

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

4429775066840 is a wasteful number, since it uses less digits than its factorization.

4429775066840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244318939 (or 1244318935 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 4429775066840 in words is "four trillion, four hundred twenty-nine billion, seven hundred seventy-five million, sixty-six thousand, eight hundred forty".