Search a number
-
+
440004011430 = 23514666800381
BaseRepresentation
bin1100110011100100100…
…10000110010110100110
31120001201122011201010210
412121302102012112212
524202112011331210
6534045101000250
743534465246644
oct6316222062646
91501648151123
10440004011430
1115a671880275
1271338553086
1332652496719
14174210d6194
15b6a3923e20
hex66724865a6

440004011430 has 16 divisors (see below), whose sum is σ = 1056009627504. Its totient is φ = 117334403040.

The previous prime is 440004011411. The next prime is 440004011443. The reversal of 440004011430 is 34110400044.

It is a junction number, because it is equal to n+sod(n) for n = 440004011397 and 440004011406.

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, 7333400161 + ... + 7333400220.

It is an arithmetic number, because the mean of its divisors is an integer number (66000601719).

Almost surely, 2440004011430 is an apocalyptic number.

440004011430 is an abundant number, since it is smaller than the sum of its proper divisors (616005616074).

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

440004011430 is a wasteful number, since it uses less digits than its factorization.

440004011430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666800391.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 440004011430 its reverse (34110400044), we get a palindrome (474114411474).

The spelling of 440004011430 in words is "four hundred forty billion, four million, eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 14666800381 29333600762 44000401143 73334001905 88000802286 146668003810 220002005715 440004011430