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40340404140031 = 791181432377669
BaseRepresentation
bin10010010110000011110110…
…11101010111011111111111
312021211111122010101000110101
421023001323131113133333
520241414121424440111
6221444043102221531
711332332551353612
oct1113017335273777
9167744563330411
1040340404140031
11119432a6512836
1246362a78848a7
131968112109728
149d66b374a179
1549e52e5e2bc1
hex24b07b7577ff

40340404140031 has 8 divisors (see below), whose sum is σ = 40885632475200. Its totient is φ = 39796040562720.

The previous prime is 40340404140019. The next prime is 40340404140083. The reversal of 40340404140031 is 13004140404304.

It is a happy number.

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 40340404140031 - 235 = 40306044401663 is a prime.

It is a super-2 number, since 2×403404041400312 (a number of 28 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 (40340404141031) 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, 216095536 + ... + 216282133.

It is an arithmetic number, because the mean of its divisors is an integer number (5110704059400).

Almost surely, 240340404140031 is an apocalyptic number.

40340404140031 is a deficient number, since it is larger than the sum of its proper divisors (545228335169).

40340404140031 is a wasteful number, since it uses less digits than its factorization.

40340404140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432378929.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40340404140031 its reverse (13004140404304), we get a palindrome (53344544544335).

The spelling of 40340404140031 in words is "forty trillion, three hundred forty billion, four hundred four million, one hundred forty thousand, thirty-one".

Divisors: 1 79 1181 93299 432377669 34157835851 510638027089 40340404140031