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404004431441 = 13267111635067
BaseRepresentation
bin1011110000100001000…
…10100110011001010001
31102121210202121120020102
411320100202212121101
523104400113301231
6505332545022145
741121415002152
oct5702042463121
91377722546212
10404004431441
11146378a72a76
1266370324955
132c136151ac0
14157a7d4b929
15a798246acb
hex5e108a6651

404004431441 has 8 divisors (see below), whose sum is σ = 435244623744. Its totient is φ = 372787514640.

The previous prime is 404004431437. The next prime is 404004431471. The reversal of 404004431441 is 144134400404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404004431441 - 22 = 404004431437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404004431471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5782811 + ... + 5852256.

It is an arithmetic number, because the mean of its divisors is an integer number (54405577968).

Almost surely, 2404004431441 is an apocalyptic number.

It is an amenable number.

404004431441 is a deficient number, since it is larger than the sum of its proper divisors (31240192303).

404004431441 is a wasteful number, since it uses less digits than its factorization.

404004431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11637751.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 404004431441 its reverse (144134400404), we get a palindrome (548138831845).

The spelling of 404004431441 in words is "four hundred four billion, four million, four hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 13 2671 34723 11635067 151255871 31077263957 404004431441