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1340069269440 = 263511223736871
BaseRepresentation
bin10011100000000010010…
…110100100111111000000
311202002221201202020112110
4103200002112210333000
5133423430213110230
62503341435055320
7165550110564036
oct23400226447700
94662851666473
101340069269440
11477358192400
1219786a5a1540
13994a2620b25
1448c07028556
1524cd1a414b0
hex138025a4fc0

1340069269440 has 672 divisors, whose sum is σ = 4947578754048. Its totient is φ = 306439372800.

The previous prime is 1340069269439. The next prime is 1340069269453. The reversal of 1340069269440 is 449629600431.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1340069269440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195029205 + ... + 195036075.

It is an arithmetic number, because the mean of its divisors is an integer number (7362468384).

Almost surely, 21340069269440 is an apocalyptic number.

1340069269440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340069269440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473789377024).

1340069269440 is an abundant number, since it is smaller than the sum of its proper divisors (3607509484608).

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

1340069269440 is a wasteful number, since it uses less digits than its factorization.

1340069269440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 1340069269440 in words is "one trillion, three hundred forty billion, sixty-nine million, two hundred sixty-nine thousand, four hundred forty".