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1440964799 is a prime number
BaseRepresentation
bin101010111100011…
…0110000010111111
310201102102121002122
41111320312002333
510422341333144
6354552513155
750464666361
oct12570660277
93642377078
101440964799
1167a4291aa
123426ab7bb
1319c6c24c1
14d9536d31
15867877ee
hex55e360bf

1440964799 has 2 divisors, whose sum is σ = 1440964800. Its totient is φ = 1440964798.

The previous prime is 1440964781. The next prime is 1440964817. The reversal of 1440964799 is 9974690441.

It is a balanced prime because it is at equal distance from previous prime (1440964781) and next prime (1440964817).

It is a cyclic number.

It is not a de Polignac number, because 1440964799 - 220 = 1439916223 is a prime.

It is a super-2 number, since 2×14409647992 = 4152759103914220802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1440964799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440924799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720482399 + 720482400.

It is an arithmetic number, because the mean of its divisors is an integer number (720482400).

Almost surely, 21440964799 is an apocalyptic number.

1440964799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440964799 is an equidigital number, since it uses as much as digits as its factorization.

1440964799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 1440964799 is about 37960.0421364360. The cubic root of 1440964799 is about 1129.4953757485.

The spelling of 1440964799 in words is "one billion, four hundred forty million, nine hundred sixty-four thousand, seven hundred ninety-nine".