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140444144425440 = 253651770828363
BaseRepresentation
bin11111111011101110110011…
…010101101101100111100000
3200102021022212220100002000000
4133323232303111231213200
5121402014101433103230
61214411052123300000
741403516552435642
oct3773566325554740
9612238786302000
10140444144425440
114082803317a879
121390302397a600
136049a9791c42b
142697766248892
15113841b66eb60
hex7fbbb356d9e0

140444144425440 has 336 divisors, whose sum is σ = 526734394201008. Its totient is φ = 35248725946368.

The previous prime is 140444144425339. The next prime is 140444144425489. The reversal of 140444144425440 is 44524441444041.

140444144425440 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 44 + 144 + 4 + 25 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 33431302 + ... + 37397061.

It is an arithmetic number, because the mean of its divisors is an integer number (1567661887503).

Almost surely, 2140444144425440 is an apocalyptic number.

140444144425440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140444144425440 is an abundant number, since it is smaller than the sum of its proper divisors (386290249775568).

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

140444144425440 is an equidigital number, since it uses as much as digits as its factorization.

140444144425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70828413 (or 70828390 counting only the distinct ones).

The product of its (nonzero) digits is 2621440, while the sum is 45.

Adding to 140444144425440 its reverse (44524441444041), we get a palindrome (184968585869481).

The spelling of 140444144425440 in words is "one hundred forty trillion, four hundred forty-four billion, one hundred forty-four million, four hundred twenty-five thousand, four hundred forty".