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44370434440 = 2351109260861
BaseRepresentation
bin101001010100101011…
…110001100110001000
311020112020210121110201
4221110223301212020
51211332312400230
632214500221544
73130353320113
oct512453614610
9136466717421
1044370434440
11178a9a54132
12872369a8b4
134251663247
14220cbcb57a
15124a5305ca
hexa54af1988

44370434440 has 16 divisors (see below), whose sum is σ = 99833477580. Its totient is φ = 17748173760.

The previous prime is 44370434411. The next prime is 44370434441. The reversal of 44370434440 is 4443407344.

It can be written as a sum of positive squares in 2 ways, for example, as 43939705924 + 430728516 = 209618^2 + 20754^2 .

It is a super-2 number, since 2×443704344402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44370434440.

It is not an unprimeable number, because it can be changed into a prime (44370434441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554630391 + ... + 554630470.

Almost surely, 244370434440 is an apocalyptic number.

44370434440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44370434440 is an abundant number, since it is smaller than the sum of its proper divisors (55463043140).

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

44370434440 is a wasteful number, since it uses less digits than its factorization.

44370434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109260872 (or 1109260868 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 37.

The spelling of 44370434440 in words is "forty-four billion, three hundred seventy million, four hundred thirty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1109260861 2218521722 4437043444 5546304305 8874086888 11092608610 22185217220 44370434440