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440849018941 = 2104672094623
BaseRepresentation
bin1100110101001001010…
…01100011000000111101
31120010220112012112112021
412122210221203000331
524210324322101231
6534305004240141
743564435555462
oct6324451430075
91503815175467
10440849018941
1115aa65861991
1271533540051
1332758577476
14174a1419669
15b702bdb811
hex66a4a6303d

440849018941 has 4 divisors (see below), whose sum is σ = 440851324032. Its totient is φ = 440846713852.

The previous prime is 440849018867. The next prime is 440849018947. The reversal of 440849018941 is 149810948044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-440849018941 is a prime.

It is a super-2 number, since 2×4408490189412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440849018947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836845 + ... + 1257778.

It is an arithmetic number, because the mean of its divisors is an integer number (110212831008).

Almost surely, 2440849018941 is an apocalyptic number.

It is an amenable number.

440849018941 is a deficient number, since it is larger than the sum of its proper divisors (2305091).

440849018941 is a wasteful number, since it uses less digits than its factorization.

440849018941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305090.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 440849018941 in words is "four hundred forty billion, eight hundred forty-nine million, eighteen thousand, nine hundred forty-one".

Divisors: 1 210467 2094623 440849018941